farah diyana ariffin, fatin khairunnisya hamdan , fatin noraqilah natasha ramzan, azhar abdul halim & fawaz al badaii.  (2024).  potensi nanopartikel besi yang disintesis dari ekstrak buah naga merah untuk penyingkiran kromium dalam air sisa.  - 10th nehap conference.  . 

lee loong chuen;azhar bin abdul halim;hukil bin sino;mohd talib bin latif;raja muhammad zuha bin raja kamal bashah.  (2024).  gandingan teknik kromatografi gas dan kaedah kemometrik tidak bersasar untuk pengesanan residu cecair mudah terbakar untuk penyiasatan forensik.  - .  . 

lee loong chuen;azhar bin abdul halim;hukil bin sino.  (2023).  pembangunan pendekatan pemprofilan novel dengan teknik kromatografi cecair berprestasi-ultra (uplc) dan teknik kemometrik untuk analisis forensik tanah.  - .  . 

marlia binti mohd hanafiah;mohd. ekhwan bin toriman;azhar bin abdul halim;othman bin jaafar.  (2021).  establishing water efficiency toolkit using water footprint as a key indicator to assess performance of water utilities: inculcating the concept of kampus lestari, ukm.  - .  . 

loong chuen lee, hukil sino, nor azman mohd noor, saiful mohd ali and azhar abdul halim.  (2021).  prediction of the geographical origin of soils using ultra-performance liquid chromatography (uplc) fingerprinting and k-nearest neighbor (k-nn).  - 2nd international conference on artificial intelligence: advances and applications (icaiaa 2021).  1-12. 

loong chuen lee, ameeta a/p nai eyan, nor azman mohd noor, saiful fazamil mohd ali, hukil sino, azhar abdul halim.  (2021).  discrimination of brown soils using ultra-performance liquid chromatography (uplc) and principal component analysis.  - acs spring 2021.  1-10. 

loong chuen lee, norazwani ali, nor azman mohd noor, saiful fazamil mohd ali, hukil sino, azhar abdul halim.  (2021).  evaluation of row-wise manipulations on uplc chromatogram to enhance discrimination of red soils.  - 4th analytical chemistry and separation sciences virtual event.  1. 

loong chuen lee, nadirah abd hamid, nor azman mohd noor, saiful fazamil mohd ali, hukil sino, azhar abdul halim.  (2021).  assessment of column-wise manipulations on uplc chromatograms of red soils.  - 4th analytical chemistry and separation sciences virtual event.  1. 

loong chuen lee, muhamad adib ahmad, nor azman mohd noor, saiful fazamil mohd ali, hukil sino, azhar abdul halim.  (2021).  comparing baseline correction algorithms in discriminating five brown soils.  - 4th analytical chemistry and separation sciences virtual event.  1. 

loong chuen lee, yaishnavee ravi, nor azman mohd noor, saiful fazamil mohd ali, hukil sino, azhar abdul halim.  (2021).  performances of derivative algorithms in uplc chromatograms of red soils.  - 4th analytical chemistry and separation sciences virtual event.  1. 

loong chuen lee, nor azman mohd noor, saiful fazamil mohd ali, hukil sino, azhar abdul halim.  (2021).  ultra-performance liquid chromatography (uplc) method for forensic soil profiling.  - tokyo international conference.  7. 

loong chuen lee, hukil sino, nor azman mohd noor, saiful mohd ali, azhar abdul halim.  (2021).  predicting source of brown soils from proximity locations using random forests for forensic investigation.  - 12th international fundamental science congress (ifsc) 2021.  1-12. 

anuar ithnin;azhar bin abdul halim;farah diyana binti ariffin.  (2020).  kesan kualiti pencemaran udara dalaman sekolah yang didirikan berhampiran bekas tapak perlupusan sampah ke atas kesihatan pelajar sekolah di smk taman dato’ harun, petaling jaya, selangor.  - .  . 

khairiatul mardiana jansar, marlia mohd hanafiah, azhar abdul halim.  (2020).  visual communication technique to enhance teaching and learning processes in quantitative analysis and instrumentation course.  - kongres dan pertandingan inovasi pengajaran dan pembelajaran 2020.  70. 

nurul farahana kamaludin, nurul azimah naen, azhar abdul halim, normah awang, syazawani shamsudin.  (2020).  peranan kulit archidendron jiringa (jering) sebagai bahan penjerap logam berat kromium dalam air sisa industri.  - majalah impak siri 1/2020.  19. 

farah diyana ariffin, prof. madya dr. azhar abdul halim, prof madya dr. marlia mohd hanafiah, prof. madya dr. normah awang, dr. mohd sham othman.  (2020).  jaringan penyelidikan kesihatan alam sekitar di antara sehap melaka dan ukm: rawatan air sisa daripada kolam penternakan ikan keli di sungai kesang.  - .  1-44. 

siti shahara zulfakar, siti aida abd azman, shazlin aida mohamad shapie, nur faizah abu bakar, farah diyana ariffin & azhar abdul halim.  (2020).  bacterial contamination from selected catfish pond farming at sungai kesang, melaka and its susceptibility to antimicrobial agents.  - international conference on sciences, technology, education & management (instem) 2020 in conjunction with picoms science & management symposium (picomsam) 2020.  1-20. 

zulfakar, s.s, mohd shapie, s.a., abd azman, s.a, abu bakar, n.f., ariffin, f.d., abdul halim, a.  (2020).  characterization of bacterial strains isolated from selected aquaculture farm and its relationship with water quality index.  - malaysian applied biology society virtual seminar 2020.  1. 

farah diyana binti ariffin;azhar bin abdul halim;normah bt. awang;mohd. sham bin othman;rogayah binti abu hassan @ mohamad;mazrura binti sahani;marlia binti mohd hanafiah;siti shahara binti zulfakar;muhammad ikram bin a wahab;chan kok meng;nur faizah bint.  (2020).  penilaian kitar hayat: rawatan air sisa daripada penternakan ikan keli di sungai melaka menggunakan azolla sp..  - .  . 

nurulhana nordin, azhar abdul halim, marlia mohd hanafiah, wan zuhairi wan yaacob.  (2020).  color removal of textile industry wastewater by adsorption using a potential hybrid composite carbon-graphite.  - international conference on earth sciences and environment 2020 (icemen2020).  1-4. 

farah diyana ariffin, azhar abdul halim, marlia mohd hanafiah, normah awang, mohd sham othman.  (2019).  heavy metals concentration of african catfish pond farm's effluent.  - 12th international symposium of health sciences.  1. 

farah diyana ariffin, azhar abdul halim, marlia mohd hanafiah, normah awang, mohd sham othman, siti aida abd. azman, nur syafiqah mohd bakri.  (2019).  kesan pelepasan air sisa dari kolam penternakan ikan keli di sungai kesang, malaka terhadap alam sekitar.  - 5th nehap conference 2019.  1. 

siti shahara zulfakar, siti aida abd azman, nur faizah abu bakar, farah diyana ariffin and azhar abdul halim.  (2019).  bacterial contamination from selected catfish pond farming at sungai kesang, melaka and its susceptibility to antimicrobial agents.  - 9th international fisheries symposium 2019.  354. 

lee khai ern;mazlin mokhtar;mohd. raihan bin taha;azhar bin abdul halim;andrew kam jia yi;marlia binti mohd hanafiah;goh choo ta;lubna alam.  (2018).  responsible governance of chemical industries towards sustainability.  - .  . 

lee khai ern;mazlin mokhtar;azhar bin abdul halim;jamaludin bin haji badusah;wan zawiah binti wan zin @ wan ibrahim;marlia binti mohd hanafiah;rahmah elfithri;goh choo ta;hassimi bin abu hasan.  (2018).  remediation of alur ilmu river water through phytoremediation.  - .  . 

mohan kumar, azhar abdul halim & marlia m. hanafiah.  (2018).  pollutants removal from sewage wastewater using palm oil fuel ash.  - international conference on clean water, air and soil (cleanwas).  . 

farah diyana arifin, azhar abdul halim, marlia m. hanafiah, normah awang & mohd sham othman.  (2018).  the effects of clarias gariepinus pond farming effluent on water quality parameters of kesang river in malacca, malaysia.  - international conference on clean water, air and soil (cleanwas).  . 

nurul farahana kamaludin, nurul azimah naen, normah awang, azhar abdul halim, norraphat uttraphan pim.  (2018).  the effectiveness of archidendron jiringa dried shell particles as chromium adsorbent through column adsorption study.  - the 15th symposium of malaysian society of applied biology 2018.  . 

mohd hafiyyan mahmud, khai ern lee, mazlin mokhtar, thian lai goh, marfiah ab wahid, norbert simon, marlia mohd hanafiah, azhar abdul halim.  (2016).  spatial distribution of water quality index in a stormwater channel: a case study of alur ilmu, ukm bangi campus.  - international conference on environment and occupational health 2016.  . 

khai ern lee, marlia mohd hanafiah, azhar abdul halim, mohd hafiyyan mahmud.  (2015).  primary treatment of dye wastewater using aloe vera-aided aluminium and magnesium hybrid coagulants.  - international conference on environmental forensics 2015.  . 

azhar abdul halim, nor alia roslan, normah awang, mohd. hasamizi mustapa, mohd. fadzil arshad.  (2011).  boron removal in aqueous solutions using curcumin impregnated activated carbon.  - 10th international annual symposium (umtas 2011) - empowering science, technology and innovation towards a better tomorrow.  . 

azhar ah, nur hanani t, normah a, mohd talib l.  (2011).  boron removal from aqueous solution using turmeric extract aided coagulation-flocculation.  - proceeding of the 2nd international seminar on environmental health.  .