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

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. 

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

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. 

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. 

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

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. 

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

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.  . 

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

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

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).  . 

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. 

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

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. 

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. 

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. 

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. 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).  . 

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.  . 

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.  . 

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. 

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. 

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.  . 

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. 

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..  .