muhamad safwan ishak, zakiah iberahim, khairiatul mardiana jansar.  (2021).  comparative response of malaysian weedy rice (oryza sativa) initial growth towards the allelopathic potential of leucaena leucocephala (lam.) de wit and dicranopteris linearis (burm. f.) underw.  - 4th international conference on science and technology applications in clime change 2021.  1-7. 

khairiatul mardiana jansar, nurul wadhihah mazlan, zainol maznah, muhamad safwan ishak.  (2021).  effect of mulch on glyphosate mobility in soil column.  - 4th international conference on science and technology applications in clime change 2021.  1-7. 

khairiatul mardiana jansar, muhamad safwan ishak.  (2021).  kepentingan dan kepelbagaian biologi di kawasan penanaman padi malaysia.  - .  13. 

ismail sahid, choo lee yin, khairiatul mardiana jansar, maznah zainol.  (2021).  bahan kimia dalam kehidupan harian: adakah kita selamat?.  - .  39. 

khairiatul mardiana jansar, masni mohd. ali, marlia mohd. hanafiah.  (2021).  report on bio monitoring of surface water for 1) chlorella vulgaris 2) moina micrura 3) tilapia sp. (4th report).  - .  1-33. 

khairiatul mardiana jansar, nurul wadhihah mazlan, zainol maznah, muhamad safwan ishak.  (2021).  effect of mulch on glyphosate mobility in soil column.  - 4th international conference on science and technology applications in climate change (staclim 2021).  1-8. 

m.s. ishak, m.b. nurul ain, i. sahid, k. mardiana-jansar.  (2021).  allelopathic screening of malaysian noxious weeds and several medicinal plants as potential alleloherbicides.  - journal of environmental biology.  762-774. 

muhamad safwan ishak, zakiah iberahim, khairiatul mardiana jansar.  (2021).  comparative response of malaysian weedy rice (oryza sativa) initial growth towards the allelopathic potential of leucaena leucocephala (lam.) de wit and dicranopteris linearis (burm. f.) underw..  - the 4th international conference on science and technology applications in climate change.  1-7. 

hani kartini agustar, khairiatul mardiana jansar, amatul hamizah md ali, nur fitrah abd ghani.  (2021).  abundance of anuran parasites and pesticide pollution from lowland and highland golf courses.  - journal of environmental biology.  789-797. 

jawatankuasa kerja penyediaan buku panduan kualiti air pertanian.  (2021).  panduan pengurusan kualiti air pertanian.  - .  62. 

khairiatul mardiana jansar, masni mohd. ali, marlia mohd hanafiah, mohd fauzi sayuti.  (2021).  report on bio monitoring of surface water for 1) chlorella vulgaris 2) moina micrura 3) tilapia sp. (3rd report).  - .  1-32. 

khairiatul mardiana jansar, marlia mohd. hanafiah, masni mohd ali, mohd fauzi sayuti.  (2020).  report on bio monitoring of surface water for 1) chlorella vulgaris 2) moina micrura 3) tilapia sp. (2nd report).  - .  1-34. 

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. 

marlia mohd hanafiah, khairiatul mardiana jansar, nurul umairah mohd nizam.  (2020).  mystream: empowering 21st century skills through transdisciplinary and sustainability techniques.  - kongres & petandingan inovasi p&p (knovasi 2020).  68. 

khairiatul mardiana jansar, marlia mohd hanafiah.  (2020).  visual communication technique to enhance teaching and learning processes in quantitative analysis and instrumentation course.  - acta informatica malaysia (aim).  1-3. 

khairiatul mardiana jansar, marlia mohd hanafiah, masni mohd ali, muhamad safwan ishak.  (2020).  report on bio monitoring of surface water for 1) chlorella vulgaris 2) moina micrura 3) tilapia sp..  - .  1-42. 

nurul ain mohammad bukhari, muhamad safwan ishak, khairiatul mardiana jansar.  (2020).  alelopati rumpai dan tumbuhan invasif.  - .  149. 

khairiatul mardiana jansar, fatimah s.m. bajrai, ismail sahid.  (2019).  behaviour of imazapic and imazapyr in paddy soil (beriah soil).  - the 11th international fundamental science congress.  264-267. 

mohd shahrul mohd nadzir, nurul `ain ab jalil, khairiatul mardiana jansar, marlia mohd hanafiah.  (2019).  xbep4103 environmental health practices.  - .  1-194. 

khairiatul mardiana jansar, ismail sahid.  (2019).  invasive weeds of malaysia and their sustainable weed management.  - .  10. 

khairiatul mardiana jansar, fatimah s. m. bajrai, muhamad safwan ishak, ismail sahid.  (2019).  effect of onduty herbicide on weed populations and rice yields in selected rice fields, melaka, malaysia.  - sains malaysiana.  2355-2365. 

tayeb m. a., ismail b. s., mardiana-jansar, k..  (2019).  the effect of glufosinate ammonium in three different textured soil types under malaysian tropical environment.  - sains malaysiana.  2605-2612. 

marlia m. hanafiah, khairiatul m. jansar.  (2019).  mystream: empowering 21st century skills through transdisciplinary and sustainability techniques.  - engineering heritage journal.  9-11. 

fatimah s. m. bajrai, khairiatul mardiana jansar, muhammad nazirul atif adzhar.  (2019).  perlakuan imazapic dan imazapyr dalam ekosistem sawah padi.  - .  213. 

muhamad safwan ishak, ismail sahid, khairiatul mardiana jansar.  (2019).  petai belalang. potensi alelopati dalam pengawalan rumpai.  - .  118. 

nur hidayah abdul siteh, khairiatul mardiana jansar.  (2018).  siri penyelidikan sains sekitaran dan sumber alam 2018.  - .  5. 

nadhirah khaleda ab wahab, khairiatul mardiana jansar.  (2018).  siri penyelidikan sains sekitaran dan sumber alam 2018.  - .  5. 

marlia mohd hanafiah, khairiatul mardiana jansar, nur izzah hamna a. aziz & siti amira aina idris.  (2018).  mystream@sekolah: dari stem ke stream untuk kemahiran abad ke-21.  - prosiding seminar pendidikan transdisiplin (sted 2018).  . 

khairiatul mardiana jansar, muhamad safwan ishak, ismail sahid.  (2018).  alelopati dan potensinya dalam pengurusan rumpai.  - majalah fst lestari.  . 

khairiatul mardiana jansar, ismail sahid, siti nur ain suhaimi & muhamad safwan ishak.  (2018).  water quality and anthropogenic pollutants determination in sungai bertam, cameron highlands, pahang.  - 31st international conference of analytical sciences 2018 (skam31).  . 

khairiatul mardiana jansar & ismail sahid.  (2018).  determination of glyphosate and aminomethylphosphonic acid and glyphosate potential to groundwater pollution..  - 31st international conference of analytical sciences 2018 (skam31).  . 

nur husnina rozlee, fatimah sh. mohd bajrai & khairiatul mardiana jansar.  (2017).  siri penyelidikan sains sekitaran dan sumber alam 2017.  - .  4. 

bajrai f.s.m., ismail b.s., mardiana-jansar k. and omar r..  (2017).  persistence of imazapic and imazapyr in paddy soil and water.  - international journal of advances in agricultural and environmental engineering.  12-15. 

bajrai, f.s.m., ismail, b.s. & mardiana-jansar, k..  (2017).  optimization method for simultaneous extraction and detection of imazapic and imazapyr herbicides in soil and water using hplc-uv with verification of lc-ms.  - sains malaysiana.  2339-2348. 

ismail sahid, muhamad safwan ishak, fatimah sh bajrai, khairiatul mardiana jansar, nornasuha yusoff.  (2017).  quantification and herbicidal activity of mimosine from leucaena leucocephala (lam.) de wit.  - transactions on science and technology.  62-67. 

m.a tayeb, b.s ismail & j khairiatul-mardiana.  (2017).  runoff of the herbicides triclopyr and glufosinate ammonium from oil palm plantation soil.  - environmental monitoring and assessment.  1-8. 

bajrai f.s.m., ismail b.s., mardiana-jansar k. and omar r..  (2017).  persistence of imazapic and imazapyr in paddy soil and water.  - 5th international conference on research in chemical, agricultural and biological sciences (rcabs-2017).  . 

tayeb, m.a., ismail, b.s., mardiana-jansar, k., goh choo ta & afroza, y.m..  (2017).  triclopyr 3, 5, 6-trichloro-2-pyridinyl clean-up procedure from soil, sediment and water samples using spe-hplc-vwd.  - sains malaysiana.  1401-1405. 

tayeb, m.a., ismail, b.s., khairiatul-mardiana, j. & goh choo ta.  (2016).  troubleshooting and maintenance of high-performance liquid chromatography during herbicide analysis: an overview.  - sains malaysiana.  237-245. 

nor adila ramli, fatimah sh mohd bajrai & khairiatul mardiana jansar.  (2016).  penentuan separuh hayat imazapyr dan imazapic secara bioasai menggunakan tiga varieti padi.  - simposium sains dan teknologi - siri penyelidikan sains sekitaran dan sumber alam.  . 

nurul amalina mohd tarmidzi, fatimah sh mohd bajrai & khairiatul mardiana jansar.  (2016).  penentuan jangka separuh hayat imazapyr dan imazapic secara bioasai erdasarkan kesan ph dan baja urea.  - simposium sains dan teknologi - siri penyelidikan sains sekitaran dan sumber alam.  . 

masni mohd ali, noraziyah abd aziz shamsudin, khairiatul mardiana jansar & marilah sarman.  (2016).  siri penyelidikan sains sekitaran dan sumber alam.  - simposium sains dan teknologi.  1-122. 

khairiatul mardiana jansar dan ismail bin sahid.  (2016).  residue determination and monitoring of the levels of metsulfuron methyl in selected rivers at tasik chini, pahang, malaysia..  - malaysian journal of analytical sciences..  179-186. 

mardiana-jansar k. & ismail b. s, marlia m. h.  (2016).  residue determination and monitoring levels of metsulfuron methyl in selected rivers at tasik chini, pahang, malaysia..  - 27th regional symposium of malaysia analytical sciences.  . 

tayeb m. a., ismail b. s., mardiana-jansar k., goh choo ta, and hani kartini agustar.  (2015).  glufosinate ammonium clean-up procedure from water samples using spe.  - colloquiumthe 2015 ukm fst postgraduate colloquium.  060024-1-060024-7. 

bajrai f. s. m., ismail b. s., and khairiatul mardiana-jansar.  (2015).  rapid diagnosis of imazapic & imazapyr resistance by using bioassays in clearfieldŽ production system, malaysia.  - colloquiumthe 2015 ukm fst postgraduate colloquium.  02008-1-02008-7. 

tayeb m. a., ismail, b. s., khairiatul mardiana j..  (2015).  comparison of four different solid phase extraction cartridges for sample clean-up in the analysis of glufosinate ammonium from aqueous samples.  - international journal of chemtech research.  2612-2619. 

k. mardiana-jansar and b. s. ismail.  (2014).  residue determination and levels of glyphosate in surface waters, sediments and soils associated with oil palm plantation in tasik chini, pahang, malaysia k. mardiana-.  - aip conference proceeding - the 2014 ukm fst postgraduate colloquium.  795-802. 

tayeb, m. a., ismail, b. s. and mardiana -jansar, k..  (2014).  method development recovery and validation of glufosinate ammonium from soil and water.  - 8th international conference on plant protection in the tropics (icppt).  . 

hani kartini bt agustar, khairiatul mardiana jansar.  (2010).  abundance and diveristy of aquatic macroinvertebrates in selected river at fraser hill.  - seminar bio-kejuruteraan, penilaian ekosistem dan spesies 2009.  . 

khairiatul mardiana jansar, hani kartini agustar.  (2009).  water quality of bukit fraser, current status.  - seminar bio-kejuruteraan, penilai ekosistem & spesies 2009, bukit fraser, pahang..  .