masni mohd. ali, khairiatul mardiana jansar, laila zulaifah zulkipli, mohamad hafiz abdul halim.  (2023).  the effect of northeast monsoon on microplastic distribution in surface waters of sungai pulai estuary, johor, malaysia.  - 6th world conference on marine biodiversity.  292. 

masni mohd. ali, khairiatul mardiana jansar, mohamad hafiz abdul halim, laila zulaifah zulkipli, anna-nathalieanne sedda anak anyie.  (2023).  vertical distribution of microplastics in beach sediment of air papan beach, mersing, johor.  - 6th world conference on marine biodiversity.  153. 

masni mohd. ali, khairiatul mardiana jansar, mohamad hafiz abdul halim, laila zulaifah zulkipli.  (2023).  microplastic distribution affected by northeast monsoon in sediment of sungai pulai estuary, johor, malaysia.  - 6th world conference on marine biodiversity.  166. 

najihah mohamad, masni mohd ali, khairiatul mardiana jansar, ku kassim ku yaacob.  (2023).  spatial variation of microplastics in guts and gills of rastrelliger kanagurta from malaysia.  - 6th world conference on marine biodiversity.  160. 

khairiatul mardiana jansar, nur diyana ayuni ruzain, mohamad hafiz abdul halim, masni mohd ali.  (2023).  microplastics in canned sardines in malaysia.  - 6th world conference on marine biodiversity.  286. 

khairiatul mardiana jansar, masni mohd. ali.  (2022).  report on bio monitoring of surface water for 1) chlorella vulgaris 2) moina micrura 3) tilapia sp. (6th report).  - .  1-35. 

khairiatul mardiana jansar, masni mohd. ali.  (2022).  report on bio monitoring of surface water for 1) chlorella vulgaris 2) moina micrura 3) tilapia sp. (5th report).  - .  1-33. 

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. 

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. 

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, 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, 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, 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. 

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

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).  . 

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).  . 

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).  . 

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. 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..  .