Penerbitan SCOPUS/ERA

khairiah lubis, erna frida, kerista sebayang, perdinan sinuhaji, syahrul humaidi, ahmad fudholi.  (2022).  the development of a novel fm nanoadsorbent for heavy metal remediation in polluted water.  - south african journal of chemical engineering.  32-41. 

novia novia, hasanudin hasanudin, hermansyah hermansyah, ahmad fudholi.  (2022).  kinetics of lignin removal from rice husk using hydrogen peroxide and combined hydrogen peroxide aqueous ammonia pretreatments.  - fermentation.  1-16. 

win eng ewe, ahmad fudholi, kamaruzzaman sopian, refat moshery, nilofar asim, wahidin nuriana, adnan ibrahim.  (2022).  thermo-electro-hydraulic analysis of jet impingement bifacial photovoltaic thermal (jibpvt) solar air collector.  - energy.  1-14. 

wati a. pranoto, tri suyono, witono hardi, lita asyriati latif, joshua chang, ahmad fudholi.  (2021).  green energy water supply system in tidore island: a design.  - arpn journal of engineering and applied sciences.  1025-1029. 

wan nurlaila mat desa, ahmad fudholi, henny sudibyo, ghalya pikra, nugrahaning sani dewi, nilofar asim, dalmasius ganjar subagio, tinton dwi atmaja, edy riyanto, kadek heri sanjaya, muhammad kristiawan, haznan abimanyu.  (2021).  energy analysis of greenhouse dryer for ficus carica l. leaves.  - international journal of heat and technology.  810-816. 

yefsi malrianti, anwar kasim, alfi asben, edi syafri, gustri yeni, ahmad fudholi.  (2021).  catechin extracted from uncaria gambier roxb for nanocatechin production: physical and chemical properties.  - international journal of design & nature and ecodynamics.  393-399. 

ni made puspawati, sri wahjuni, ni kadek inda kusmaning ayu, ahmad fudholi.  (2021).  effect of different papain concentrations on the properties of chicken skin protein hydrolysates.  - international journal of design & nature and ecodynamics.  445-450. 

muhammad hermansyah, imam santoso, susinggih wijana, sucipto, ahmad fudholi.  (2021).  implementation of participatory rural appraisal (pra) in empowering gaplek smes using partial least square (pls) analysis.  - international journal of sustainable development and planning.  543-550. 

win eng ewe, ahmad fudholi, kamaruzzaman sopian, nilofar asim, yoyon ahmudiarto, agus salim.  (2021).  overview on recent pvt systems with jet impingement.  - international journal of heat and technology.  1951-1956. 

rado yendra, ibrahim sulaiman hanaish, ahmad fudholi.  (2021).  power bayesian markov chain monte carlo (mcmc) for modelling extreme temperatures in sumatra island using generalised extreme value (gev) and generalised logistic (glo) distributions.  - mathematical modelling of engineering problems.  365-376. 

maman suryaman, yaya sunarya, iis istarimila, ahmad fudholi.  (2021).  effect of salinity stress on the growth and yield of mungbean (vigna radiata (l.) r. wilczek) treated with mangosteen pericarp extract.  - biocatalysis and agricultural biotechnology.  1-4. 

mohammad h. yazdi, evgeny solomin, ahmad fudholi, ghasem divandari, kamaruzzaman sopian, perk lin chong.  (2021).  thermal performance of nanofluid flow inside evacuated tube solar collector.  - international journal of heat and technology.  1262-1270. 

vita meylani, langkah sembiring, ahmad fudholi, tri wibawa.  (2021).  differentiated sap (4 6) gene expression of candida albicans isolates from hiv positive patients with oral candidiasis and commensals in healthy individuals.  - microbial pathogenesis.  1-7. 

wan mustafa, ahmad fudholi, kamaruzzaman sopian, muslizainun mustapha, yoyon ahmudiarto.  (2021).  the water based photovoltaic thermal fiberglass collector: an experimental investigation.  - international journal of renewable energy research.  1663-1672. 

amanda halim, ahmad fudholi, kamarulzzaman sopian, stephen j. phillips.  (2021).  performance of hybrid solar photovoltaic diesel generator and battery storage design for rural electrification in malaysia.  - international journal of sustainable development and planning.  883-893. 

azizatul karimah, muhammad rasyidur ridho, sasa sofyan munawar, ismadi, yusup amin, ratih damayanti, muhammad adly rahandi lubis, asri peni wulandari, nurindah, apri heri iswanto, ahmad fudholi, et al.  (2021).  a comprehensive review on natural fibers: technological and socio-economical aspects.  - polymers.  1-27. 

m.h. yazdi, e. solomin, a. fudholi, k. sopian, p.l. chong.  (2021).  numerical analysis of the performance of a hybrid solar chimney system with an integrated external thermal source.  - thermal science and engineering progress.  1-11. 

didi jaya santri, hilda zulkifli, aldes lesbani, hermansyah, yenny anwar, ermayanti, vita meylani, ahmad fudholi.  (2021).  analysis of swamp microalgal isolates from south sumatra as biofuel candidates.  - international journal of design & nature and ecodynamics.  625-630. 

edy riyanto, erie martides, ghalya pikra, tinton dwi atmaja, rakhmad indra pramana, andri joko purwanto, arifin santosa, endro junianto, rudi darussalam, aep saepudin, anjar susatyo, ridwan arief subekti, yusuf suryo utomo, d. g. subagio, a. fudholi et al.  (2021).  a review of atomic layer deposition for high lithium-ion battery performance.  - journal of materials research and technology.  5466-5481. 

zeki ahmed darwish, kamaruzzaman sopian, ahmad fudholi.  (2021).  reduced output of photovoltaic modules due to different types of dust particles.  - journal of cleaner production.  1-16. 

luh suriati, i made supartha utama, bambang admadi harsojuwono, ida bagus wayan gunam, i made adnyana, ahmad fudholi.  (2021).  nano-ecogel to maintain the physicochemical characteristics of fresh-cut mangosteen.  - aims agriculture and food.  988-999. 

nurul aiman mhd safri, zalitazainuddin, mohd syahriman mohd azmi, idris zulkifle, ahmad fudholi,mohd hafidz ruslan,kamaruzzaman sopian..  (2021).  current status of solar-assisted greenhouse drying systems for drying industry (food materials and agricultural crops).  - trends in food science & technology.  633-657. 

kadek heri sanjaya, ahmad rajani, hendri maja saputra, dalmasius ganjar subagio, ridwan arief subekti, ahmad fudholi.  (2021).  eco-design of portable solar-powered telescopic lamp for off grid areas in indonesia.  - international journal of power electronics and drive systems.  2511-2522. 

refat moshery, tan yong chai, kamaruzzaman sopian, ahmad fudholi , ali h. a. al-waeli.  (2021).  thermal performance of jet-impingement solar air heater with transverse ribs absorber plate.  - solar energy.  355-366. 

s. mohamadi, m.h. yazdi, e. solomin, a. fudholi, k. sopian, p.l. chong.  (2021).  heat transfer and entropy generation analysis of internal flow of nanorefrigerant with slip condition at wall.  - thermal science and engineering progress.  1-11. 

aflizar, edi syafr, jamaluddin, husnain, ahmad fudholi.  (2021).  geochemical methods for mapping available-si distribution in soils in west sumatra, indonesia.  - geoderma.  1-17. 

nilofar asim, marzieh badiei, ahmad fudholi, halim razali, masita mohammad, nurul asma samsudin, md. akhtaruzzaman, nowshad amin, kamaruzzaman sopian.  (2021).  prospect of aerogels as desiccant materials: possibilities and challenges.  - journal of porous media.  49-56. 

win eng ewe, ahmad fudholi, kamaruzzaman sopian, nilofar asim.  (2021).  modeling of bifacial photovoltaic-thermal (pvt) air heater with jet plate.  - international journal of heat and technology.  1117-1122. 

widya fatriasari, wildan ulwan, tri aminingsih, fahriya puspita sari, fitria, lisman suryanegara, apri heri iswanto, muhammad ghozali, lutfi nia kholida, m. hazwan hussin,, ahmad fudholi, euis hermiati.  (2021).  optimization of maleic acid pretreatment of oil palm empty fruit bunches (opefb) using response surface methodology to produce reducing sugars.  - industrial crops & products.  1-15. 

j. assadeg, ali h.a. al-waeli, a. fudholi, k. sopian.  (2021).  energetic and exergetic analysis of a new double pass solar air collector with fins and phase change material.  - solar energy.  260-271. 

nissa nurfajrin solihat, rika raniya, triyani fajriutami, apri heri iswanto, widya fatriasari, ahmad fudholi.  (2021).  design and performance of amphiphilic lignin derivatives in enzymatic hydrolysis of sweet sorghum bagasse for bioethanol production.  - bioresources.  5875-5889. 

ansar, nazaruddin, atri dewi azis, ahmad fudholi.  (2021).  enhancement of bioethanol production from palm sap (arenga pinnata (wurmb) merr) through optimization of saccharomyces cerevisiae as an inoculum.  - journal of materials research and technology.  548-554. 

muhammad said, andika septian sitanggang, riski julianda, sri pertiwi estuningsih, ahmad fudholi.  (2021).  production of methane as bio-fuel from palm oil mill effluent using anaerobic consortium bacteria.  - journal of cleaner production.  1-6. 

marshahida mat yashim, muhammad hanif sainorudin, masita mohammad, ahmad fudholi, nilofar asim, halim razali, kamaruzzaman sopian.  (2021).  recent advances on lightweight aerogel as a porous receiver layer for solar thermal technology application.  - solar energy materials and solar cells.  1-22. 

azizatul karimah, muhammad rasyidur ridho, sasa sofyan munawar, danang sudarwoko adi, ratih damayanti, bambang subiyanto, widya fatriasari, ahmad fudholi.  (2021).  a review on natural fibers for development of eco-friendly bio-composite: characteristics, and utilizations.  - journal of materials research and technology.  2442-2458. 

dwi noerjoedianto, andi subandi, ahmad fudholi.  (2021).  the self-management system of nurdin hamzah regional hospital in poisonous and hazardous material (b3) waste processing analyzed from the occupational safety and health of hospital aspect.  - international journal of pharmaceutical research.  5052-5057. 

sri wahjuni, ni wayan bogoriani, hafsiah, ahmad fudholi.  (2021).  effects antihiperglycemic of sembung (blumea balsamifera l) leaf ethanol extract on blood glucose and pancreas histopathology in hyperglycemic male wistar rat (rattus norvegicus).  - international journal of pharmaceutical research.  2645-2651. 

muzakar, listrianah, pratiwi b. i., ahmad fudholi.  (2021).  the effect of giving wamerose juice for high blood pressure of patients hypertension in palembang.  - international journal of pharmaceutical research.  2548-2552. 

ni made suaniti, i wayan bandem adnyana, manuntun manurung, ahmad fudholi.  (2021).  profile of ethyl esters of virgin coconut oil with enfleurage of cymbopogon nardus leaves.  - international journal of pharmaceutical research.  2953-2959. 

maskur, muhammad muhsinin, tapaul rozi, made sriasih, chairussyuhur arman, ahmad fudholi.  (2021).  association of single nucleotide polymorphism (snp) in exon 4 igf-1 gene with sperm quality in bali bulls.  - international journal of pharmaceutical research.  5045-5051. 

r. whba, m.s. su'ait, l. tiankhoon, s. ibrahim, n.s. mohamed, a. ahmad.  (2021).  acrylonitrile grafted epoxidized natural rubber (acn-g-enr): synthesis by in- situ uv curing technique and characterization as solid polymer electrolytes for lithium-ion rechargeable batteries.  - reactive and functional polymers.  1-17. 

asranudin, holilah, andi noor kholidha syarifin, adi setyo purnomo, ansharullah, ahmad fudholi.  (2021).  the effect of heat moisture treatment on crystallinity and physicochemical-digestibility properties of purple yam flour.  - food hydrocolloids.  1-9. 

marcelinus christwardana, linda aliffia yoshi, indraprasta setyonadi, mohammad rizqi maulana, ahmad fudholi.  (2021).  a novel application of simple submersible yeast-based microbial fuel cells as dissolved oxygen sensors in environmental waters.  - enzyme and microbial technology.  1-7. 

saprizal hadisaputra, muhammad zohri, ahmad fudholi.  (2021).  electrical characteristic analysis of photovoltaic thermal with and without v-groove absorber.  - indonesian journal of electrical engineering and informatics.  1-7. 

ida sriyanti, leni marlina, ahmad fudholi, sherin marsela, jaidan jauhari.  (2021).  physicochemical properties and in vitro evaluation studies of polyvinylpyrrolidone/cellulose acetate composite nanofibres loaded with chromolaena odorata (l) king extract.  - journal of materials research and technology.  333-342. 

nasmi herlina sari, suteja suteja, ahmad fudholi, ahmad zamzuriadi, emmy dyah sulistyowati, pandri pandiatmi, sinarep sinarep, ahmad zainuri.  (2021).  morphology and mechanical properties of coconut shell powder-filled untreated cornhusk fibre-unsaturated polyester composites.  - polymer.  1-7. 

kusmiyati, ahmad fudholi.  (2021).  solar-assisted microwave convective dryer for coffee cherries.  - international journal of renewable energy research.  407-415. 

hadyan hafizh, ahmad fudholi, abrar ridwan.  (2021).  experimental investigation of the effect of collector profile, tower diameter and tower height on the performance of small-scale solar updraft power generator.  - international journal of renewable energy research.  355-364. 

izza anshory, imam robandi, jamaaluddin, ahmad fudholi, wirawan.  (2021).  transfer function modeling and optimization speed response of bldc motor e-bike using intelligent controller.  - journal of engineering science and technology.  305-324. 

anak agung ketut darmadi, ni luh suriani, ida bagus gede darmayasa, ida bagus made suaskara, ni made gari, ahmad fudholi.  (2021).  cinnamon leaf extract to control anthracnose disease on chilli plants in bali: a novel and new potential.  - international journal of pharmaceutical research.  1006-1015. 

heri prabowo, titiek yulianti, janis damaiyani, ahmad fudholi.  (2020).  effect of temperature and medium composition on growth of metarhizium anisopliae, entomopathogenic fungi of sugarcane white grubs.  - international journal of advanced science and technology.  4490-4499. 

saprizal hadisaputra, muhammad zohri, bahtiar, ahmad fudholi.  (2020).  effect analysis of the different channel length and depth of photovoltaic thermal system with v groove collector.  - international journal of electrical and computer engineering.  1200-1207. 

bahtiar, muhammad zohri, ahmad fudholi.  (2020).  experimental investigation of photovoltaic thermal solar air collector with exergy performance comparison.  - indonesian journal of electrical engineering and computer science.  652-658. 

ahmad fudholi, muhammad zohri, ivan taslim, merita ayu indrianti, intan noviantari manyoe.  (2020).  theoretical approach model of building integrated photovoltaic thermal air collector.  - international journal of power electronics and drive system.  1002-1010. 

wan nurlaila yusra mat desa, ahmad fudholi, zahira yaakob.  (2020).  energy-economic-environmental analysis of solar drying system: a review.  - international journal of power electronics and drive system.  1011-1018. 

nurul shahirah binti rukman, ahmad fudholi, ivan taslim, merita ayu indrianti, intan noviantari manyoe.  (2020).  overview on recent photovoltaic module cooling methods: advances pvt systems.  - international journal of electrical and computer engineering.  15-21. 

zainab saberi, ahmad fudholi, kamaruzzaman sopian.  (2020).  fitting of weibull distribution method to analysis wind energy potential at kuala terengganu, malaysia.  - journal of advanced research in fluid mechanics and thermal sciences.  13-22. 

zainab saberi, ahmad fudholi, noorlina mohd zainuddin, zahari ibarahim, kamaruzzaman sopian.  (2020).  thermal performance of an absorber rod type solar air collector with single-path design.  - journal of advanced research in fluid mechanics and thermal sciences.  1-12. 

dwi noerjoedianto, andy amir, arnild augina mekarisce, ahmad fudholi.  (2020).  obedience level of measles immunization medical officers in the effort of reducing the measles case in jambi city.  - international journal of advanced science and technology.  11492-11497. 

b.r.d. wulandani, djoko kisworo, bulkaini, muhammad yasin, chusnul chotimah mr, ahmad fudholi.  (2020).  antioxidant activities and viability of lactic acid bacteria in yogurt made from buffalo milk with addition of blewah (cucumis melo l var. reticulatus naudin) juice.  - international journal of advanced science and technology.  4788-4796. 

ahmad fudholi, isma faezah, tintin rostini, hendra,oktaf rina, sri hidayati.  (2020).  solar drying system for salted silver jewfish: drying models.  - international journal of advanced science and technology.  3354-3360. 

rahmawati, ratna ayu damayanti, kasnaeni karim, marwah yusuf, made sudharma, ahmad fudholi.  (2020).  energy resource sustainability through a global manufacturing lens.  - international journal of advanced science and technology.  3155-3162. 

muzakar, listrianah, hariani w.m, ahmad fudholi.  (2020).  effects of giving pudding jambubiji (psidiumguajava) labu siam (sechiumedule) for blood sugar levels of patients diabetes mellitus type ii.  - international journal of advanced science and technology.  3148-3154. 

muslizainun mustapha, ahmad fudholi, kamaruzzaman sopian.  (2020).  mathematical modelling of bifacial photovoltaic-thermal (bpvt) collector with mirror reflector.  - international journal of renewable energy research.  654-662. 

kusnanto mukti wibowo, atqiya muslihati, mohd zainizan sahdan, nurliyana mad rosni, hatijah basri, ahmad fudholi.  (2020).  a novel, portable escherichia coli bacteria sensor using graphene as sensing material.  - materials chemistry and physics.  1-8. 

nur farhana mohd razali, ahmad fudholi, mohd hafidz ruslan, kamaruzzaman sopian.  (2020).  improvement of photovoltaic module efficiency using spiral absorber and water.  - journal of advanced research in fluid mechanics and thermal sciences.  131-139. 

nur farhana mohd razali, ahmad fudholi, mohd hafidz ruslan, kamaruzzaman sopian.  (2020).  electrical characteristics of photovoltaic thermal collector with water titania nanofluid flow.  - journal of advanced research in fluid mechanics and thermal sciences.  20-28. 

ardhiana puspitacandri, sutoyo, u. widyaningsih, arleyni, a.a.i. sri wahyuni, ahmad fudholi.  (2020).  private school marketing strategy as anticipation for lack of students.  - international journal of advanced science and technology.  7730-7736. 

deni zulfiana, azizatul karimah, sita heris anita , nanang masruchin, karna wijaya, lisman suryanegara,widya fatriasari, ahmad fudholi.  (2020).  antimicrobial imperata cylindrica paper coated with anionic nanocellulose crosslinked with cationic ions.  - international journal of biological macromolecules.  892-901. 

widihastuty, maryani cyccu tobing, marheni, retna astuti kuswardani, ahmad fudholi.  (2020).  biological aspects of myopopone castanea on its prey oryctes rhinoceros larvae.  - journal of insect physiology.  1-4. 

bulkaini, chusnul chotimah mr, djoko kisworo, maskur, b.r.d. wulandani, muhammad yasin, ahmad fudholi.  (2020).  antioxidant activity and nutrition values of shredded meat of laying hens reject immersion in pineapple peel extracts.  - journal of critical reviews.  4504-4510. 

ahmad fadzil sharol, amir abdul razak, zafri azran abdul majid, ahmad fudholi.  (2020).  experimental study on performance of square tube absorber with phase change material.  - international journal of energy research.  1000-1011. 

ahmad fudholi, nur farhana mohd razali, mohd hafidz ruslan, kamaruzzaman sopian.  (2020).  application of nanofluids for photovoltaic thermal (pvt) collectors: a review.  - journal of advanced research in fluid mechanics and thermal sciences.  35-44. 

agus dwi santoso, rusijono, bachtiar sjaiful bachri, ahmad fudholi.  (2020).  a review of learning media, creative thinking level and learning outcomes.  - journal of critical reviews.  4953-4958. 

djoko kisworo, muhammad yasin, bulkaini, b.r.d. wulandani, sukirno, chusnul chotimah mr, ahmad fudholi.  (2020).  beef sousage traits enhanced with celery leaf powder (apium graveolens l.) as antioxidant source and natural preservatives.  - journal of critical reviews.  4488-4497. 

bahrul ilmi nasution, robert kurniawan, tiodora hadumaon siagian, ahmad fudholi.  (2020).  revisiting social vulnerability analysis in indonesia: an optimized spatial fuzzy clustering approach.  - international journal of disaster risk reduction.  1-11. 

hadyan hafizh, ahmad fudholi, m. h. yazdi, abrar ridwan.  (2020).  mathematical modeling and aerothermal simulation of a small-scale solar updraft power generator.  - international journal of renewable energy research.  1655-1663. 

sri hidayati, wisnu satyajaya, ahmad fudholi.  (2020).  lignin isolation from black liquor from oil palmempty fruit bunch using acid.  - journal of materials research and technology.  11382-11391. 

aminudin afandhi, dewi masitoh, fery abdul choliq, rose novita sari handoko, tri suyono, yogo setiawan, ahmad fudholi.  (2020).  effect of inoculation technique and addition of larval extract to pda medium on the virulence of beauveria bassiana against spodoptera litura (l.).  - arpn journal of engineering and applied sciences.  2065-2069. 

aminudin afandhi, fadhillah putra, andi kurniawan, rose novita sari handoko, tri suyono, elyka putri pertiwi, irvan kurniawan, nur muhammad muslim sardar, ahmad fudholi.  (2020).  entomopathogenic fungi from cocoa rhizosphere in indonesia.  - arpn journal of engineering and applied sciences.  2079-2084. 

khairi suhud, siti wahidah, ilham maulana, rinaldi idroes, suprayitno, lelifajri, ahmad fudholi.  (2020).  mercury analysis with principal component analysis for water, sediment, and biota samples in aceh, indonesia.  - arpn journal of engineering and applied sciences.  1749-1756. 

m. haviz, ika metiza maris, adripen, lufri, david, ahmad fudholi.  (2020).  assessing pre service teachers perception on 21st century skills in indonesia.  - journal of turkish science education.  351-363. 

agus supinganto, irwan budiana, p. dewi nur sukma, ahmad fudholi.  (2020).  implementation of health examination for elector recruitment processes in the west nusa tenggara province.  - open access macedonian journal of medical sciences.  466-473. 

moch rifai, siti masitoh, bachtiar s. bahri, ahmad fudholi.  (2020).  electronic design automation (eda) software-assisted learning media: a tutorial of proteus software.  - journal of critical reviews.  9682-9689. 

j. assadeg, ali h. a. alwaeli, k. sopian, h. moria, a. s. a. hamid, a. fudholi.  (2020).  solar assisted heat pump system for high quality drying applications: a critical review.  - international journal of renewable energy research.  303-316. 

nova susanti, wandi, nurhidayah, arif marufi, dewi iriani, ahmad fudholi.  (2020).  comparison of rainfall analysis of jaxa satellite rainfall data on stations data in jambi.  - arpn journal of engineering and applied sciences.  15-20. 

muhammad naswir, nova susanti, tesia fania zandra, nurhidayah, ahmad fudholi.  (2020).  effect of high voltage usage on radiation absorption dose received by patients during cranium examination with a grid.  - arpn journal of engineering and applied sciences.  744-747. 

jamaaluddin jamaaluddin, imam robandi, izza anshory, ahmad fudholi.  (2020).  very short-term load forecasting of peak load time using fuzzy type-2 and big bang big.  - arpn journal of engineering and applied sciences.  854-861. 

tri suyono, agustinus purna irawan, wati asriningsih pranoto, ahmad fudholi.  (2020).  comparation between suspended or seabed pipeline instalation for inter island fresh water system.  - arpn journal of engineering and applied sciences.  862-866. 

bahtiar, muhammad zohri, ahmad fudholi.  (2020).  indoor and outdoor investigation comparison of photovoltaic thermal solar air collector.  - bulletin of electrical engineering and informatics.  1311-1317. 

suryani suryani, sariani sariani, femi earnestly, marganof marganof, rahmawati rahmawati, sevindrajuta sevindrajuta, teuku meurah indra mahlia, ahmad fudholi.  (2020).  a comparative study of virgin coconut oil, coconut oil and palm oil in terms of their active ingredients.  - processes.  1-11. 

tintin rostini, danang biyatmoko, ahmad fudholi.  (2020).  the use of fermented feed based on swamp buffalo rumen fluid to increase the growth and conditions psychology of goats.  - international journal of advanced science and technology.  6275-6284. 

ni luh suriani, dewa ngurah suprapta, novizar nazir, ni made susun parwanayoni, anak agung ketut darmad, desy andya dewi, ni wayan sudatri, ahmad fudholi, r. z. sayyed, asad syed, abdallah m. elgorban, ali h. bahkali, hesham ali el enshasy, daniel joe dai.  (2020).  a mixture of piper leaves extracts and rhizobacteria for sustainable plant growth promotion and bio-control of blast pathogen of organic bali rice.  - sustainability.  1-18. 

muhammad hermansyah, imam santoso, susinggih wijana, sucipto, ahmad fudholi.  (2020).  gaplek based tapioca production system using fuzzy analytical hierarchy process (fuzzy ahp) approach.  - international journal of advanced science and technology.  5594-5606. 

nurul aiman mhd safri, zalita zainuddin, mohd syahriman mohd azmi, ahmad fudholi, idris zulkifle, mohd hafidz ruslan.  (2020).  temperature performance of a portable solar greenhouse dryer with various collector design.  - sains malaysiana.  2539-2545. 

agus dwi santoso, rusijono, bachtiar sjaiful bachri, didik dwi suharso, ahmad fudholi.  (2020).  interaction between learning media and creative thinking level on learning results of ship electrical systems in poltekpel surabaya: a survey.  - international journal of advanced science and technology.  8487-8493. 

radite yogaswara, maria ludya pulung, ahmad fudholi.  (2020).  antioxidant activity of 15 manokwari medicinal plants using dpph assay.  - international journal of advanced science and technology.  7592-7599. 

ahmad fudholi, radite yogaswara, dede aji mardani, akhsin ridho, sri hidayati, zayyinul hayati zen.  (2020).  modified page model for solar drying of seaweed.  - international journal of advanced science and technology.  7407-7413. 

muhammad yahya zulakmal, ahmad fudholi, nurul shahirah rukman, nurul syakirah nazri, chan hoy yen, nilofar asim, sohif mat, kamaruzzaman sopian.  (2019).  computational fluid dynamics analysis of thermoelectric generators performance under solar photovoltaic-thermal (pvt) system.  - journal of advanced research in fluid mechanics and thermal sciences.  223-232. 

nurul shahirah binti rukman, ahmad fudholi, ivan taslim, merita ayu indrianti, intan noviantari manyoe, uce lestari, kamaruzzaman sopian.  (2019).  energy and exergy efficiency of water-based photovoltaic thermal (pvt) systems: an overview.  - international journal of power electronics and drive system.  987-994. 

zulfatri aini, krismadinata, ganefri, ahmad fudholi.  (2019).  power system analysis course learning, a review.  - international journal of engineering and advanced technology.  430-435. 

husni thamrin, zikri darussamin, zamsiswaya, rado yendra, ahmad fudholi.  (2019).  analysis the effect of mathematics subjects on islamic school in pekanbaru region using spatial analysis.  - international journal of engineering and advanced technology.  482-486. 

muzakar, listrianah, ahmad fudholi.  (2019).  effectiveness of zacks cocoter avocado juice against blood pressure on old age hypertension patients in palembang.  - international journal of engineering and advanced technology.  740-744. 

sri murhayati, hartono, hertina, rado yendra, ari pani desvina, ahmad fudholi.  (2019).  spatial analysis for detect gender influence on score test english language and mathematics subjects junior high school in pekanbaru.  - international journal of engineering and advanced technology.  204-208. 

nurul shahirah binti rukman, ahmad fudholi, ivan taslim, merita ayu indrianti, intan noviantari manyoe, uce lestari, kamaruzzaman sopian.  (2019).  electrical and thermal efficiency of air-based photovoltaic thermal (pvt) systems: an overview.  - indonesian journal of electrical engineering and computer science.  1134-1140. 

jalal assadeg, kamaruzzaman sopian, ahmad fudholi.  (2019).  performance of grid-connected solar photovoltaic power plants in the middle east and north africa.  - international journal of electrical and computer engineering.  3375-3383. 

ahmad fudholi, nur farhana mohd razali, mohammad h.yazdi, adnan ibrahim, mohd hafidz ruslan, mohd yusof othman, kamaruzzaman sopian.  (2019).  tio2/water-based photovoltaic thermal (pvt) collector: novel theoretical approach.  - energy.  305-314. 

sugeng priyanto, yos nofendri, ahmad fudholi.  (2019).  performance of slow pyrolysis open bach low-temperature reactor for agriculture residues.  - international journal of engineering and advanced technology.  2088-2091. 

sri murhayati, m. arrafie abduh,rahmat rizal andhi, rado yendra, miftahur rahman, ahmad fudholi.  (2019).  educational integration of prayer in islam using an augmented reality approach.  - international journal of engineering and advanced technology.  2085-2087. 

bakhrudin all habsy, nur hidayah, blasius boli lasan, muslihati, ahmad fudholi.  (2019).  the development model of semar counselling to improve the self-esteem of vocational students with psychological distress.  - international journal of emerging technologies in learning.  132-149. 

edi syafri , jamaluddin, sentot wahono, irwan a., mochamad asrofi, nasmi herlina sari, ahmad fudholi.  (2019).  characterization and properties of cellulose microfibers from water hyacinth filled sago starch biocomposites.  - international journal of biological macromolecules.  119-125. 

win eng ewe, ahmad fudholi, kamaruzzaman sopian, nilofar asim.  (2019).  evaluation of solar air collector-thermoelectric hybrid system.  - journal of advanced research in fluid mechanics and thermal sciences.  142-147. 

ahmad fudholi, muslizainun mustapha, ivan taslim, fitrotun aliyah, arthur gani koto, kamaruzzaman sopian.  (2019).  photovoltaic thermal (pvt) air collector with monofacial and bifacial solar cells: a review.  - international journal of power electronics and drive systems.  2021-2028. 

nurul syakirah nazri, ahmad fudholi, wan mustafa, chan hoy yen, masita mohammad, mohd hafidz ruslan, kamaruzzaman sopian.  (2019).  exergy and improvement potential of hybrid photovoltaic thermal/thermoelectric (pvt/te) air collector.  - renewable and sustainable energy reviews.  132-144. 

ahmad fudholi, mariyam fazleena musthafa, ivan taslim, merita ayu indrianti, intan noviantari manyoe, mohd. yusof othman.  (2019).  efficiency and energy modelling for pvt air collector with extended heat transfer area: a review.  - international journal of power electronics and drive system.  2029-2036. 

wan nurlaila mat desa, masita mohammad, ahmad fudholi.  (2019).  review of drying technology of fig.  - trends in food science & technology.  93-103. 

ahmad fudholi, muhammad zohri, ivan taslim, fitrotun aliyah, arthur gani koto.  (2019).  heat transfer and efficiency of dual channel pvt air collector: a review.  - international journal of power electronics and drive systems.  2037-2045. 

muzakar, listrianah,ike surya dewi, ahmad fudholi.  (2019).  description of parents knowledge, gluten free casein free (gfcf) intake frequency and autism children behavior in palembang.  - international journal of engineering and advanced technology.  1166-1169. 

yuliharti, yasnel, agustiar, rahmat rizal andhi, rado yendra, mahdini, ahmad fudholi.  (2019).  augmented reality technology for learning shalah.  - international journal of innovative technology and exploring engineering.  2044-2047. 

ahmad fadzil sharol, amir abdul razak, zafri azran abdul majid, ahmad fudholi.  (2019).  experimental study on performance of square tube absorber with phase change material.  - international journal of energy research.  1000-1011. 

khairil anwar, asmal may, afrizal m, andi murniati, rado yendra,ahmad fudholi.  (2019).  management of potential data on websites for communicating research in education issue.  - international journal of engineering and advanced technology.  3119-3122. 

ari pani desvina, siti arita novia, masud zein, rado yendra, muspika hendri, ahmad fudholi.  (2019).  log pearson iii distribution and gumbel distribution model for rainfall data in pekanbaru.  - international journal of engineering and advanced technology.  803-807. 

listrianah, muzakar, enggi febriyanti, ahmad fudholi.  (2019).  relationship of nutritional substance toward hb content of chronic kidney failure patients which running hemodialysis.  - international journal of engineering and advanced technology.  1445-1450. 

edi syafri, sudirman, mashadi, evi yulianti, deswita, mochamad asrofi , hairul abral, s.m. sapuan, r.a. ilyase, ahmad fudholi.  (2019).  effect of sonication time on the thermal stability, moisture absorption, and biodegradation of water hyacinth (eichhornia crassipes) nanocellulose-filled bengkuang (pachyrhizus erosus) starch ....  - journal of material research and technology.  6223-6231. 

dyah anisa permatasari, lilik sugiharti, ahmad fudholi.  (2019).  digital poverty conditionsfor east java in fourth industrial revolution.  - international journal of recent technology and engineering.  12450-12456. 

ahmad fudholi, muhammad zohri, nurul shahirah binti rukman, nurul syakirah nazri, muslizainun mustapha, chan hoy yen, masita mohammad, kamaruzzaman sopian.  (2019).  exergy and sustainability index of photovoltaic thermal (pvt) air collector: a theoretical and experimental study.  - renewable and sustainable energy reviews. 

ahmad fudholi, kamaruzzaman sopian.  (2019).  a review of solar air flat plate collector for drying application.  - renewable and sustainable energy reviews. 

ahmad fudholi, mariyam fazleena musthafa, abrar ridwan, rado yendra, ari pani desvina, rahmadeni, tri suyono, kamaruzzaman sopian.  (2019).  energy and exergy analysis of air based photovoltaic thermal (pvt) collector: a review.  - international journal of electrical and computer engineering (ijece).  109-117. 

ahmad fudholi, mariyam fazleena musthafa, abrar ridwan, rado yendra, hartono, ari pani desvina, majid khan bin majahar ali, kamaruzzaman sopian.  (2019).  review of solar photovoltaic/thermal (pv/t) air collector.  - international journal of electrical and computer engineering (ijece).  126-133. 

nur farhana mohd razali, ahmad fudholi, mohd hafidz ruslan, kamaruzzaman sopian.  (2019).  experiment study of water based photovoltaic-thermal (pv/t) collector.  - international journal of electrical and computer engineering (ijece).  118-125. 

nur farhana mohd razali, ahmad fudholi, mohd hafidz ruslan, kamaruzzaman sopian.  (2019).  review of water-nanofluid based photovoltaic/thermal (pv/t) systems.  - international journal of electrical and computer engineering (ijece). 

nur farhana mohd razali, ahmad fudholi, mohd hafidz ruslan, kamaruzzaman sopian.  (2019).  electrical characteristic of photovoltaic thermal collector with water-multiwalled carbon nanotube nanofluid flow.  - indonesian journal of electrical engineering and computer science. 

nurul syakirah nazri, ahmad fudholi, mohd hafidz ruslan, kamaruzzaman sopian.  (2018).  mathematical modeling of photovoltaic thermalthermoelectric (pvt-te) air collector.  - international journal of power electronics and drive system (ijpeds). 

ahmad fudholi, kamaruzzaman sopian.  (2018).  r&d of photovoltaic thermal (pvt) systems: an overview.  - international journal of power electronics and drive system (ijpeds). 

amanda halim, ahmad fudholi, stephen phillips, kamaruzzaman sopian.  (2018).  review on optimised configuration of hybrid solar-pv diesel system for off-grid rural electrification.  - international journal of power electronics and drive system (ijpeds). 

muhammad zohri, nurato, lalu darmawan bakti, ahmad fudholi.  (2018).  exergy assessment of photovoltaic thermal with v-groove collector using theoretical study.  - telkomnika.  550-557. 

ahmad fudholi, lim chin haw , kamaruzzaman sopian, ahmed mohamed omer abdulmula.  (2018).  a primary study of tracking photovoltaic system for mobile station in malaysia.  - international journal of power electronics and drive system.  427-432. 

muhammad zohri, saprizal hadisaputra and ahmad fudholi.  (2018).  exergy and energy analysis of photovoltaic thermal (pvt)with and without fins collector.  - arpn journal of engineering and applied sciences.  803-808. 

cheku nurul aisyah, ahmad fudholi, mohd yusof othman, adnan ibrahim, mohd hafidz ruslan, kamaruzzaman sopian.  (2018).  kecekapan pengumpul pv/t menggunakan pengumpul terma reka bentuk pilin (efficiency of pv/t collector using spiral thermal absorber design).  - sains malaysiana. 

ahmad fudholi, muhammad zohri, goh li jin, adnan ibrahim, chan hoy yen, mohd yusof othman, mohd hafidz ruslan & kamaruzzaman sopian.  (2018).  energy and exergy analyses of photovoltaic thermal collector with v-groove.  - solar energy.  742-750. 

ahmad fudholi, kamaruzzaman sopian.  (2018).  review on solar collector for agricultural produce.  - international journal of power electronics and drive system (ijpeds).  414-419. 

masud zein, rado yendra, elfira safitri, miftahur rahman, yuliharti, ahmad fudholi.  (2018).  spatial analysis application to reveal the diminishing crime rate phenomenon caused by praying.  - international journal of mechanical engineering and technology (ijmet). 

nurul syakirah nazri, ahmad fudholi, bardia bakhtyar, can hoy yen, adnan ibrahim, mohd hafidz ruslan, sohif mat, kamaruzzaman sopian.  (2018).  energy economic analysis of photovoltaic-thermal-thermoelectric (pvt-te) air collectors.  - renewable and sustainable energy reviews. 

saprizal hadisaputra, muhammad zohri, hardani, ahmad fudholi.  (2018).  improvement potential and exergy analyses of photovoltaic thermal with and without v-absorber collector.  - international journal of power electronics and drive system (ijpeds). 

hartono, helmiati, rado yendra, khairil anwar, m. nizam muhaijir, ade novia rahma, ahmad fudholi.  (2018).  analysis of the best high school ranking determination with technique methods or others preference by similarity to ideal solution (topsis).  - international journal of mechanical engineering and technology (ijmet). 

nurul shahirah binti rukman, ahmad fudholi, saleem h. zaidi, kamaruzzaman sopian.  (2018).  overview of bifluid-based photovoltaic thermal (pvt) systems.  - international journal of power electronics and drive system (ijpeds). 

husam abdulrasool hasan, kamaruzzaman sopian, ahmad fudholi.  (2018).  photovoltaic thermal solar water collector designed with a jet collision system.  - energy. 

ahmad fudholi, abrar ridwan, rado yendra, ari pani desvina, hartono, majid khan bin majahar ali, tri suyono, kamaruzzaman sopian.  (2018).  solar drying technology in indonesia: an overview.  - international journal of power electronics and drive system (ijpeds). 

ahmad fudholi, nur farhana mohd razali, abrar ridwan, rado yendra, hartono, ari pani desvina, majid khan bin majahar ali, kamaruzzaman sopian.  (2018).  overview of photovoltaic thermal (pvt) water collector.  - international journal of power electronics and drive system (ijpeds). 

ahmad fudholi, kamaruzzaman sopian.  (2018).  review on exergy and energy analysis of solar air heater.  - international journal of power electronics and drive system (ijpeds).  420-426. 

aulia rani annisava, anna prima putri, irwan taslapratama, lenny sasmita, donal devi amdanata and ahmad fudholi.  (2018).  physiological response of several local paddy genotypes from kampar regency induced by polyethylene glycol.  - arpn journal of engineering and applied sciences. 

m.yahya, hendriwan fahmi, ahmad fudholi, kamaruzzaman sopian.  (2018).  performance and economic analyses on solar-assisted heat pump fluidised bed dryer integrated with biomass furnace for rice drying.  - solar energy. 

adnan ibrahim, sohif mat, ahmad fazlizan abdullah, ahmad fudholi, kamaruzzaman sopian.  (2018).  outdoor performance evaluation of building integrated photovoltaic thermal (bipvt) solar collector with spiral flow absorber configurations.  - international journal of power electronics and drive systems (ijpeds). 

abdul gaus, m.w. tjaronge, tri suyono, ahmad fudholi.  (2018).  characterization of an asphalt concrete binder course mixture using asbuton granular asphalt.  - journal of engineering and applied science. 

ahmad faizal , harman , rado yendra and ahmad fudholi.  (2018).  analysis of motor speed three phase induction using harriot and smith method.  - journal of engineering and applied sciences. 

zulfatri aini, zainal ahnur, david setiawan, ahmad fudholi.  (2018).  analysis of the effect of an installation of a single tuned passive filter on harmonics and distribution transformers.  - international journal of power electronics and drive system (ijpeds). 

nurul syakirah nazri, ahmad fudholi, mohd hafidz ruslan, kamaruzzaman sopian.  (2018).  experimental study of photovoltaic thermal-thermoelectric (pvt-te) air collector.  - international journal of power electronics and drive system (ijpeds). 

muslizainun mustapha, ahmad fudholi, chan hoy yen, mohd hafidz ruslan, kamaruzzaman sopian.  (2018).  review on energy and exergy analysis of air and water based photovoltaic thermal (pvt) collector.  - international journal of power electronics and drive system (ijpeds). 

rado yendra, anofrizen, wan zawiah wan zin, abdul aziz jemain, ahmad fudholi.  (2017).  long-term daily rainfall pattern in peninsular malaysia.  - journal of engineering and applied sciences.  7640-7648. 

rado yendra, anofrizen, wan zawiah wan zin, abdul aziz jemain, ahmad fudholi.  (2017).  neyman scott rectangular pulse (nsrp) modeling and spatial analysis of storm behaviorin peninsular malaysia.  - journal of engineering and applied sciences.  7604-7611. 

rado yendra, anofrizen, wan zawiah wan zin, abdul aziz jemain, ahmad fudholi.  (2017).  spatial analysis of storm behavior in peninsular malaysia during monsoon seasons.  - international journal of applied engineering research.  2559-2566. 

s.s.s. baljit, h. y. chan, v.a. audwinto, s.a. hamid, ahmad fudholi, s.h. zaidi, m.y. othman, k. sopian.  (2017).  mathematical modelling of a dual-fluid concentrating photovoltaic thermal (pv-t) solar collector.  - renewable energy.  1258-1271. 

nur ali amri, abdul aziz jemain and ahmad fudholi.  (2017).  consistency of the semivariogram-fitting error on ordinary kriging prediction.  - arpn journal of engineering and applied sciences.  990-995. 

ahmad faizal, khalis juniswan abidin, rado yendra, ahmad fudholi.  (2017).  analysis of fuzzy controller system for rotary inverter system.  - international journal of applied engineering research. 

ali, m. k. m., sulaiman, j., yasir, s. m., ruslan, m. h., fudholi, a., muthuvalu, m. s., and ramu, v..  (2017).  cubic spline as a powerful tools for processing experimental drying rate data of seaweed using solar drier.  - malaysian journal of mathematical sciences.  159-172. 

w. mustafa, m.y. othman & a. fudholi.  (2017).  numerical investigation for performance study of photovoltaic thermal nanofluids system.  - international journal of applied engineering.  14596-14602. 

muhammad zohri, ahmad fudholi, mohd hafidz ruslan, kamaruzzaman sopian.  (2017).  performance analysis of photovoltaic thermal (pvt) with and without v-groove collector.  - journal of engineering and applied sciences.  6029-6032. 

m. yahya, ahmad fudholi, kamaruzzaman sopian.  (2017).  energy and exergy analyses of solar-assisted fluidized bed drying integrated with biomass furnace.  - renewable energy.  22-29. 

muhammad zohri, nurato, ahmad fudholi.  (2017).  photovoltaic-thermal (pvt) system with and without fins collector: theoretical approach.  - international journal of power electronics and drive system (ijpeds).  1756-1763. 

lestari handayani, jasril, elvia budianita, winda oktista, rizki hadi, denanda fattah, rado yendra, ahmad fudholi.  (2017).  comparison of target probabilistic neural network (pnn) classification for beef and pork.  - journal of theoretical and applied information technology.  2753-2760. 

b. bakhtyar, a. fudholi, kabir hassan, m. azam, c.h. lim, n.w. chan, k. sopian.  (2017).  review of co2 price in europe using feed-in tariff rates.  - renewable and sustainable energy reviews.  685-691. 

yusra, muhammad fikry, bambang riyanto trilaksono, rado yendra, ahmad fudholi.  (2017).  music interest classification of twitter users using support vector machine.  - journal of theoretical and applied information technology.  2352-2358. 

nilwan andiraja, rado yendra, ari pani despina, rahmadeni, ahmad fudholi.  (2016).  optimal control feedback nash in the scalar infinite non-cooperative dynamic game with discount factor.  - global journal of pure and applied mathematics.  3463-3468. 

dian mursyitah, nanda putri miefthawati, rado yendra, ahmad fudholi.  (2016).  performance of sliding mode controller with static and dynamic sliding surface.  - international journal of applied engineering research.  8158-8162. 

ahmad faizal, sutoyo, mulyono, rado yendra and ahmad fudholi.  (2016).  design maximum power point tracking (mppt) on photovoltaic panels using fuzzy logic method.  - american journal of engineering and applied sciences.  789-797. 

tengku nurainun, ahmad fudholi, misra hartati, rado yendra, ismu kusumanto.  (2016).  a multi due date batch scheduling model on dynamic flow shop to minimize total production cost.  - contemporary engineering sciences.  315-324. 

rahmad kurniawan, afrizal m. nur, rado yendra, ahmad fudholi.  (2016).  prototype expert system using bayesian network for diagnose social illness.  - journal of theoretical and applied information technology.  338-344. 

ahmad fudholi, rado yendra, dayang fredalina basri, mohd hafidz ruslan, kamaruzzaman sopian.  (2016).  energy and exergy analysis of hybrid solar drying system.  - contemporary engineering sciences.  215 - 223. 

m. yahya, ahmad fudholi, hadian hafizh, kamaruzzaman sopian.  (2016).  comparison of solar dryer and solar-assisted heat pump dryer for cassava.  - solar energy.  606-613. 

ahmad fudholi, sohif mat, dayang fredalina basri, mohd hafidz ruslan, kamaruzzaman sopian.  (2016).  performances analysis of greenhouse solar dryer with heat exchanger.  - contemporary engineering sciences.  135 - 144. 

akbarizan, muhammad marizal, m. soleh, hertina, mohammad abdi. a., rado yendra and ahmad fudholi.  (2016).  utilization of holts forecasting model for zakat collection in indonesia.  - american journal of applied sciences.  1342-1346. 

fitri aryani, hafiz mahmud, corry corazon marzuki, mohammad soleh, rado yendra and ahmad fudholi.  (2016).  continuity function on partial metric space.  - journal of mathematics and statistics.  271-276. 

ahmad fudholi, b. bakhtyar, habibis saleh, mohd hafidz ruslan, mohd yusof othman & kamaruzzaman sopian.  (2016).  drying of salted silver jewfish in a hybrid solar drying system and under open sun: modeling and performance analyses.  - international journal of green energy.  1135-1144. 

nur ali amri, abdul aziz jemain, and ahmad fudholi.  (2016).  optimization of spatial data sample for gold mineral prediction.  - arpn journal of engineering and applied sciences.  9065-9068. 

ahmad fudholi, kamaruzzaman sopian, m a alghoul, mohd hafidz ruslan & mohd yusof othman.  (2015).  performances and improvement potential of solar drying system for palm oil fronds.  - renewable energy.  561-565. 

ahmad fudholi, kamaruzzaman sopian, b. bakhtyar, mohamed gabbasa, mohd yusof othman, mohd hafidz ruslan.  (2015).  review of solar drying systems with air based solar collectors in malaysia.  - renewable and sustainable energy reviews.  1191-1204. 

mohd syahriman mohd azmi, mohd. yusof hj. othman, mohd hafidz hj. ruslan, kamaruzzaman sopian, zafri azran abdul majid and ahmad fudholi.  (2015).  research and development work on solar assisted drying systems..  - research journal of applied sciences, engineering and technology.  701-714. 

ahmad fudholi,kamaruzzaman sopian, mohamed gabbasa, b.bakhtyar, m. yahya, mohd hafidz ruslan, sohif mat.  (2015).  techno-economic of solar drying systems with water based solar collectors in malaysia: a review.  - renewable and sustainable energy reviews.  809-820. 

saleh h., fudholi a., hashim i..  (2014).  natural convection in a partially open-ended porous squarecavity.  - journal of porous media.  563-572. 

mohamed gabbasa, kamaruzzaman sopian, ahmad fudholi, nilofar asim.  (2014).  a review of unitized regenerative fuel cell stack: material, design and research achievements.  - international journal of hydrogen energy.  17765-17778. 

m. h. yazdi, i. hashim, a. fudholi, p. ooshaksaraei, and k. sopian.  (2014).  entropy generation analysis of power-law non-newtonian fluid flow caused by micropatterned moving surface.  - mathematical problems in engineering.  1-16. 

b. bakhtyar, y. ibrahim, m.a. alghoul, n. aziz, a. fudholi, k. sopian.  (2014).  estimating the co2 abatement cost:substitute price of avoiding co2 emission (spae) by renewable energys feed in tariff in selected countries.  - renewable and sustainable energy reviews.  35:205-210. 

ahmad fudholi, mohd hafidz ruslan, mohd yusof othman, mohd syahriman mohd azmi, azami zaharim and kamaruzzaman sopian..  (2012).  drying of palm oil fronds in solar dryer with finned double-pass solar collectors..  - wseas transactions on heat and mass transfer.  105-114.