idris zulkifle , mohd hafidz ruslan, mohd. yusof hj othman, zahari ibarahim , kamaruzzaman sopian.  (2018).  the v-groove solar collector performance using fresnel lens and glass glazing.  - journal of engineering and applied sciences.  . 

idris zulkifle, ali h.a. alwaeli, mohd hafidz ruslan, zahari ibarahim, mohd yusof hj othman, kamaruzzaman sopian.  (2018).  numerical investigation of v-groove air-collector performance with changing cover in bangi, malaysia.  - case studies in thermal engineering.  . 

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.  . 

idris zulkifle, mohd hafidz hj ruslan, mohd. yusof hj othman, zahari ibarahim, kamaruzzaman sopian.  (2018).  pengeringan asam gelugur (garcinia atroviridis) menggunakan sistem pengering suria.  - jurnal teknologi (sciences & engineering).  . 

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. 

jawiah dakir, mohd yusof hj othman, zakaria stapa, ab halim tamuri, muhammad hilmi jalil, shamsul azhar yahya, siti maheran ismail @ ibrahim, mujahid abu bakar.  (2017).  the elements of knowledge, personality and motivation among teachers of arabic language model in national schools of malaysia.  - the turkish online journal of educational technology (tojet).  357-362. 

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. 

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. 

m.y. othman, s.a. hamid, m.a.s. tabook, k. sopian, m.h. ruslan & z. ibarahim.  (2016).  performance analysis of pv/t combi with water and air heating system: an experimental study.  - renewable energy.  716-722. 

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. 

f. hussain, myh othman, b yatim, h ruslan, k sopian, z. anuar & s. khairuddin.  (2015).  an improved design of photovoltaic/thermal solar collector.  - solar energy.  885-891. 

muhammad hilmi jalil, mohd yusof hj. othman, jawiah dakir, fariza md. sham, mashitoh yaacob, nasruddin yunos & fakhrul adabi abdul kadir..  (2015).  elements of human capital development according to hasan al-banna.  - the turkish online journal of educational technology.  134-141. 

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, 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. 

jawiah dakir, siti rugayah hj. tibek, fariza md sham, mohd yusof hj. othman, azami zaharim, muhammad hilmi jalil, shamsul azhar yahya, siti maheran ismail @ ibrahim, muhammad ikhwan ismail.  (2015).  effectiveness of islamic education on indian mualaf (converts) in selangor, malaysia.  - turkish online journal of educational technology.  192-196. 

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. 

fariza md sham, jawiah dakir, mohd yusof hj. othman, noralina omar, siti maheran ismail @ ibrahim & mujahid abu bakar.  (2015).  the identity of higher learning students in malaysia - a preliminary study.  - mediterranean journal of social sciences.  430-437. 

jawiah dakir, siti rugayah hj tibek, fariza md sham, mohd yusof hj. othman, azami zaharin, muhammad hilmi jalil shamsul azhar yahya, siti maheran ismail@ibrahim & muhammad ikhwan ismail.  (2015).  effectiveness of islamic education on indian muallaf (convert) in selangor, malaysia.  - the turkish onine journal of education technology.  192-196. 

jawiah dakir, mohd yusof hj othman, ab. halim tamuri, zakaria stapa, shamsul azhar yahya, siti maheran ismail @ ibrahim.  (2015).  islamic education and level of character internalization of secondary school students in malaysia.  - mediterranean journal of social sciences.  602-613. 

othman m.y.h., zaidi s.h., sopian k., jelita m..  (2014).  thermal analysis and performance of double glazing window with semi-transparent photovoltaic module [analisis terma dan prestasi tetingkap dwi kaca dengan modul fotovoltan semi-lutsinar].  - sains malaysiana.  575 - 582. 

z. a. a. majid, m. h. ruslan, k. sopian, m. y. othman, and m. s. m. azmi.  (2014).  study on performance of 80 watt floating photovoltaic panel.  - journal of mechanical engineering and sciences.  1150-1156. 

suhaila abdul hamid, mohd yusof othman, kamaruzzaman sopian, saleem h. zaidi.  (2014).  an overview of photovoltaic thermal combination (pv/t combi) technology.  - renewable and sustainable energy reviews.  38:212-222. 

z. a. a. majid, m. h. ruslan, k. sopian, m. y. othman and m. s. m. azmi.  (2014).  study on performance of 80 watt floating photovoltaic panel.  - journal of mechanical engineering and sciences.  1150-1156. 

mohd yusof hj othman, saleem h. zaidi, kamaruzzaman sopian & marhama jelita.  (2014).  analisis terma dan prestasi tetingkap dwi kaca dengan modul fotovoltan semi-lutsinar.  - sains malaysiana.  43(4): 575-582. 

norasikin a. ludin, m.azwan m. bakri, norman kamaruddin, kamaruzzaman sopian, m. solah deraman, norul hisham hamid, nilofar asim, m. yusuf othman.  (2014).  malaysian oil palm plantation sector: exploiting renewable energy toward sustainability production.  - journal of cleaner production.  65(2014):9-15. 

m. rahou, m.y. othman, s. mat and a. ibrahim.  (2014).  performance study of a photovoltaic thermal system with an oscillatory flow design.  - journal of solar energy engineering.  1-6. 

adnan ibrahim, ahmad fudholi, kamaruzzaman sopian, mohd yusof othman, mohd hafidz ruslan.  (2014).  efficiencies and improvement potential of building integrated photovoltaic thermal (bipvt) system.  - energy conversion and management.  527-534. 

ahmad fudholi, kamaruzzaman sopian, mohd yusof othman, mohd hafidz ruslan.  (2014).  energy and exergy analyses of solar drying system of red seaweed.  - energy and buildings.  68:121-129. 

ahmad fudholi, mohd yusof othman, mohd hafidz ruslan, and kamaruzzaman sopian.  (2013).  drying of malaysian capsicum annuum l. (red chili) dried by open and solar drying.  - international journal of photoenergy.  Article no.167895. 

f. hussain, m.y.h. othman, k. sopian, b. yatim, h. ruslan, h. othman.  (2013).  design development and performance evaluation of photovoltaic/thermal(pv/t) air base solar collector.  - renewable and sustainable energy reviews.  25:431-441. 

ahmad fudholi, kamaruzzaman sopian, mohd yusof othman, mohd hafidz ruslan, b. bakhtyar.  (2013).  energy analysis and improvement potential of finned double-pass solar collector.  - energy conversion and management.  75:234-240. 

mohd yusof othman, adnan ibrahim, goh li jin, mohd hafidz ruslan, kamaruzzaman sopian.  (2013).  photovoltaic-thermal (pv/t) technology - the future energy technology.  - renewable energy.  171-174. 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, k. sopian.  (2013).  measurements of spectral-band solar irradiance in bangi, malaysia.  - solar energy.  89:62-80. 

mohd. yusof hj. othman, faridah hussain, kamaruzzman sopian, baharuddin yatim & hafidz ruslan.  (2013).  performance study of air-based photovoltaic-thermal (pv/t) collector with different designs of heat exchanger.  - sains malaysiana.  42(9):1319-1325. 

ahmad fudholi, kamaruzzaman sopian, mohd hafidz ruslan, mohd yusof othman.  (2013).  performance and cost benefits analysis of double-pass solar collector with and without fins.  - energy conversion and management.  76:8-19. 

kamaruzzaman sopian, mohd yusof othman, saleem h. zaidi, and nowshad amin.  (2012).  advanced solar assisted drying systems for marine and agricultural products.  - journal of mechanical engineering.  9-14. 

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. 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, k. sopian & t.m. razykov.  (2012).  solar attenuation by aerosols: an overview.  - renewable and sustainable energy reviews.  16(6):4264-4276. 

ismail ibrahim, mohd. yusof othman, jawiah dakir, abdul latif samian, mohd safar hasim, zakaria stapa, noor aziah mohd awal, jaffary awang, ahmad munawar ismail, muhammad razak idris, shamsul azhar....  (2012).  the importance, ehtic and issue on interfaith dialogue among multi racial community.  - journal of applied sciences research.  8(6):2920-2924. 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, k. sopian.  (2012).  issues concerning atmospheric turbidity indices.  - renewable and sustainable energy reviews.  16(8):6285-6294. 

mohd. yusof hj. othman, ahmad fudholi, kamaruzzaman sopian, mohd. hafidz ruslan & muhammad yahya.  (2012).  analisis kinetik pengeringan rumpai laut gracilaria changii menggunakan sistem pengering suria.  - sains malaysiana.  41(2):245-252. 

adnan ibrahim, mohd yusof othman, mohd hafidz ruslan, sohif mat, kamaruzzaman sopian.  (2011).  recent advances in flat plate photovoltaic/thermal (pv/t) solar collectors.  - renewable and sustainable energy reviews.  352-365. 

ahmad fudholi, kamaruzzaman sopian, mohd hafidz ruslan,
mohd. yusof othman and muhammad yahya.  (2011).  thermal efficiency of double pass solar collector with longitudinal fins absorbers.  - american journal of applied sciences.  8(3):254-260. 

f. hussain, m. y. h. othman, b. yatim, h. ruslan, k. sopian, z. anuar, s. khairuddin.  (2011).  fabrication and irradiance mapping of a low cost solar simulator for indoor testing of solar collector.  - journal of solar energy engineering.  133(4):Art. no. 044502. 

li jin goh, mohd yusof othman, sohif mat, hafidz ruslan, kamaruzzaman sopian.  (2011).  review of heat pump systems for drying application.  - renewable and sustainable energy reviews.  15:4788-4796. 

yousef a. eltbaakh, m.h. ruslan, m.a. alghoul, m.y. othman, k. sopian, m.i. fadhel.  (2011).  measurement of total and spectral solar irradiance: overview of existing research.  - renewable and sustainable energy reviews.  15:1403-1426. 

ahmad fudholi, kamaruzzaman sopian, mohd hafidz ruslan,
mohd. yusof othman and muhammad yahya.  (2011).  analytical and experimental studies on the thermal efficiency of the double-pass solar air collector with finned absorber.  - american journal of applied sciences.  8(7):716-723. 

siti fairuz sujak, latifah amin, abdul latif samian, mohamad sabri haron, mohamad nasran mohamad & mohd yusof othman.  (2011).  kod etika islam untuk bioteknologi moden.  - sari.  29(2):167-198. 

goh li jin, adnan ibrahim, yee kim chean, roonak daghigh, hafidz ruslan, sohif mat, mohd. yusof othman and kamaruzzaman sopian.  (2010).  evaluation of single-pass photovoltaic-thermal air collector with rectangle tunnel absorber.  - american journal of applied sciences.  7(2):277-282. 

ebrahim m. ali alfegi, kamaruzzaman sopian, mohd yusof hj. othman, baharudin bin yatim.  (2009).  the effect of flow rates on the performance of finned single pass, double duct photovoltaic thermal solar air heaters.  - european journal of scientific research.  25(2):339-344. 

f. jahanshah , k. sopian, y. othman, h.r. fallah.  (2009).  pn junction depth impact on short circuit current of solar cell.  - solar energy.  83(9):1629-1633. 

adnan ibrahim, goh li jin, roonak daghigh, mohd huzmin mohamed salleh, mohd yusof othman, mohd hafidz ruslan, sohif mat, kamaruzzaman sopian.  (2009).  hybrid photovoltaic thermal (pv/t) air and water based solar collectors suitable for building integrated applications.  - american journal of environmental sciences.  618-624. 

kamaruzzaman sopian, mohd zamri ibrahim, wan ramli wan daud, mohd yusof othman, baharuddin yatim, nowshad amin.  (2009).  performance of a pv-wind hybrid system for hydrogen production.  - renewable energy.  34(8):1973-1978. 

ebrahim m. ali alfegi, kamaruzzaman sopian, mohd yusof hj othman and baharudin bin yatim.  (2009).  mathematical model of double pass photovoltaic thermal air collector with fins.  - american journal of environmental sciences.  5(5):592-598. 

mohd yusof hj othman, hafidz ruslan, kamaruzzaman sopain & goh li jin.  (2009).  kajian prestasi pengumpul suria fotovoltan-terma (pv/t) dengan plat penyerap lengkuk-v.  - sains malaysiana.  38(4):537-541. 

f. jahanshah, k. sopian, s.h. zaidi, m.y. othman, n. amin and n. asim.  (2009).  modeling the effect of p-n junction depth on the output of planer and rectangular textured solar cells.  - american journal of applied sciences.  6(4):667-671. 

baharuddin ali, kamaruzzaman sopian, mohamad al ghoul, mohd yusof othman, azami zaharim, ahmad mahir razali.  (2009).  economics of domestic solar hot water heating systems in malaysia.  - european journal of scientific research.  26(1):20-28. 

adnan ibrahim, goh li jin, roonak daghigh, mohd huzmin mohamed salleh, mohd yusof othman, mohd hafidz ruslan, sohif mat and kamaruzzaman sopian.  (2009).  hybrid photovoltaic thermal (pv/t) air and water based solar collectors suitable for building integrated applications.  - american journal of environmental sciences.  5(5):618-624. 

baharuddin ali, kamaruzzaman sopian, mohdazhar abd. rahman, mohd yusof othman, azami zaharim, ahmad mahir razali.  (2009).  hybrid photovoltaic diesel system in a cable car resort facility.  - european journal of scientific research.  26(1):13-19. 

adnan ibrahim, m.y. othman, m.h. ruslan, m.a. alghoul, m. yahya, a. zaharim and k. sopian.  (2009).  performance of photovoltaic thermal collector (pvt) with different absorbers design.  - wseas transactions on environment and development.  321-330. 

m. ebrahim ali alfegi, kamaruzzaman sopian, mohd yusof hj othman and baharudin bin yatim.  (2008).  experimental investigation of single pass, double duct photovoltaic thermal (pv/t) air collector with cpc and fins.  - american journal of applied sciences.  5(7):866-871. 

mohd yusof othman, kamaruzzaman sopian.  (2008).  renewable energy education for asean.  - renewable energy.  16(1-4):1225-1230. 

mohd. yusof othman, baharudin yatim, kamaruzzaman sopian and mohd. nazari abu bakar,.  (2007).  performance studies on a finned double-pass photovoltaic-thermal (pv/t) solar collector.  - desalination.  209, 43-55. 

mohd yusof othman, baharudin yatim, kamaruzzaman sopian and mohd nazari abu bakar.  (2007).  performance studies on a finned double-pass photovoltaic/thermal (pv/t) solar collector.  - desalination.  209(1-3):43-49.