samera samsuddin sah, khairul nizam abdul maulud, suraya sharil, othman a. karim, biswajeet pradhan.  (2023).  monitoring of three stages of paddy growth using multispectral vegetation index derived from uav images.  - the egyptian journal of remote sensing and space sciences.  989-998. 

samera samsuddin sah, khairul nizam abdul maulud, othman a. karim, suraya sharil, zaher mundher yaseen.  (2023).  extensive assessment of climate change impacts on coastal zone paddy growth using multispectral analysis and hydrodynamic modeling.  - science of the total environment.  1-20. 

jeffery nazrien ng, aizat mohd taib, irfan haziq razali, norinah abd rahman, wan hanna melini wan mohtar, othman a karim, safari mat desa, suriyani awang, mohd syazwan faisal mohd.  (2022).  the effect of extreme rainfall events on riverbank slope behaviour.  - frontiers in environmental science.  1-14. 

muhammad ali rehman, safari mat desa, norinah abd rahman, mohd syazwan faisal mohd, nur ain suhada aminuddin, aizat mohd taib, othman a. karim suriyani awang, wan hanna melini wan mohtar.  (2022).  correlation between soil erodibility and light penetrometer blows: a case study in sungai langat, malaysia.  - physics and chemistry of the earth, parts a/b/c.  1-9. 

shaban r. s. aldhshan, khairul nizam abdul maulud, wan shafrina wan mohd jaafar, othman a. karim and biswajeet pradhan.  (2021).  energy consumption and spatial assessment of renewable energy penetration and building energy efficiency in malaysia: a review.  - sustainability.  1-26. 

fazly amri mohd, khairul nizam abdul maulud, rawshan ara begum, siti norsakinah selamat & othman a. karim.  (2018).  impact of shoreline changes to pahang coastal area by using geospatial technology.  - sains malaysiana.  . 

khairul nizam abdul maulud, othman a. karim & amanda lee sean peik.  (2017).  kajian potensi tenaga marin di perairan selangor dan perak.  - jurnal kejuruteraan.  15-23. 

el-shafie, a., najah, a., karim, o.a..  (2014).  amplified wavelet-anfis-based model for gps/ins integration to enhance vehicular navigation system.  - neural computing and applications.  1905-1916. 

a. najah, a. el-shafie, o. a. karim, amr h. el-shafie.  (2013).  application of artificial neural networks for water quality prediction.  - neural computing and applications.  22(Supp. 1):S187-S201. 

najah ahmed a., el-shafie a., karim o.a., el-shafie a..  (2012).  an augmented wavelet de-noising technique with neuro-fuzzy inference system for water quality prediction.  - international journal of innovative computing, information and control.  8(10B):7055-7082. 

samera samsuddin sah, khairul nizam abdul maulud, suraya sharil, othman a. karim, biswajeet pradhan.  (2023).  monitoring of three stages of paddy growth using multispectral vegetation index derived from uav images.  - the egyptian journal of remote sensing and space sciences.  989-998. 

shaban r. s. aldhshan, khairul nizam abdul maulud, othman a. karim, wan shafrina wan mohd jaafar, mohd faizal fauzan.  (2023).  assessing the suitability of rooftop solar photovoltaic systems for sustainable electricity generation.  - geografia-malaysian journal of society and space.  93-104. 

samera samsuddin sah, khairul nizam abdul maulud, othman a. karim, suraya sharil, zaher mundher yaseen.  (2023).  extensive assessment of climate change impacts on coastal zone paddy growth using multispectral analysis and hydrodynamic modeling.  - science of the total environment.  1-20. 

jeffery nazrien ng, aizat mohd taib, irfan haziq razali, norinah abd rahman, wan hanna melini wan mohtar, othman a karim, safari mat desa, suriyani awang, mohd syazwan faisal mohd.  (2022).  the effect of extreme rainfall events on riverbank slope behaviour.  - frontiers in environmental science.  1-14. 

muhammad ali rehman, safari mat desa, norinah abd rahman, mohd syazwan faisal mohd, nur ain suhada aminuddin, aizat mohd taib, othman a. karim suriyani awang, wan hanna melini wan mohtar.  (2022).  correlation between soil erodibility and light penetrometer blows: a case study in sungai langat, malaysia.  - physics and chemistry of the earth, parts a/b/c.  1-9. 

s r s aldhshan, k n a maulud, o a karim, m a s bahri and m a rahman.  (2023).  estimating of photovoltaic energy saving potential and investment energy value in malaysia based on gis technology.  - iop conf. series: earth and environmental science.  1-11. 

samera samsuddin sah, khairul nizam abdul maulud, nurul aidah abd rahim, othman a. karim, suraya sharil.  (2021).  submerging paddy cultivation area due to coastal flooding in kuala kedah, malaysia.  - 4th international conference on science and technology applications in climate change 1 july, national university of malaysia, selangor, malaysia (virtual).  1-9. 

khairul nizam abdul maulud, fazly amri mohd, othman a. karim, rawshan ara begum & nor aizam adnan.  (2019).  assessment of coastal adaptation due to sea level rise along the cherating tanjung agas coastline, malaysia.  - proceedings of the 2019 cwmd conference.  19-28. 

f a mohd, k n abdul maulud, o a karim, r a begum, n a awang, m r abdul hamid, n a abd rahim and a h abd razak.  (2018).  assessment of coastal inundation of low lying areas due to sea level rise.  - iop conference series: earth and environmental science.  . 

khairul nizam abdul maulud, wan hanna melini wan mohtar & othman a. karim.  (2013).  spatial methodology in identifying wave energy in malaysia.  - 2012 4th international conference on environmental science and information application technology (esiat 2012).  . 

khairul nizam abdul maulud, fazly amri mohd, othman a. karim & nor aslinda awang.  (2021).  kerentanan pantai kesan dari kenaikan aras laut.  - .  25. 

mohd ekhwan toriman, muhammad barzani gazim & othman karim.  (2012).  banjir besar johor.  - .  57-68. 

mohd ekhwan toriman, nor azlina abd aziz, muhd barzani gasim, abdul jalil hassan, mazlin mokhtar dan othman a.karim.  (2009).  bio-kejuruteraan dan kelestarian ekosistem.  - .  Bhg 2 ; 192-201. 

khairul nizam abdul maulud, fazly amri mohd, othman a. karim & nor aslinda awang.  (2021).  kerentanan pantai kesan dari kenaikan aras laut.  - .  25. 

mohd ekhwan toriman, mazlin mokhtar, othman a karim & m. barzani gazim.  (2014).  pembangunan lestari di malaysia : harapan dan kenyataan.  - .  Bab 5 : 74-95. 

mohd ekhwan toriman, muhammad barzani gazim & othman karim.  (2012).  banjir besar johor.  - .  57-68. 

mohd ekhwan toriman, nor azlina abd aziz, muhd barzani gasim, abdul jalil hassan, mazlin mokhtar dan othman a.karim.  (2009).  bio-kejuruteraan dan kelestarian ekosistem.  - .  Bhg 2 ; 192-201. 

ali najah, ahmed el-shafie, othman karim.  (2011).  prediction of water quality parameters using artificial intelligence : case-study -johor river basin.  - .  44. 

mohd syuhaimi bin ab rahman;othman bin a. karim;siti aminah bt. osman;noraini binti hamzah;mohd khairul azhar bin mat sulaiman;wan nor roslam bin wan isahak;azreena binti abu bakar.  (2023).  pembangunan prototip dan modul shield (stem tauhidiyah) untuk kem rahsia alam di taman aulia, pulau gajah kelantan.  - .  . 

suraya binti sharil;othman bin a. karim;wan hanna melini binti wan mohtar;siti fatin binti mohd razali;nur tantiyani binti ali othman.  (2022).  flow behaviour and transverse mixing mechanism in a vegetated channel with varying bed forms.  - .  . 

wan hanna melini binti wan mohtar;othman bin a. karim;suraya binti sharil.  (2022).  sustainable domestic wastewater treatment by fungal pellets of medicinal mushroom ganoderma lucidum.  - .  . 

samera samsuddin sah, khairul nizam abdul maulud, nurul aidah abd rahim, othman a. karim, suraya sharil.  (2021).  submerging paddy cultivation area due to coastal flooding in kuala kedah, malaysia.  - the 4th international conference on science and technology applications in climate change.  1-14. 

fazly amri mohd, khairul nizam abdul maulud, othman a. karim, ashnita rahim, mohd khairy kamarudin, nor aslinda awang, anizawati ahmad, wan ahmad hafiz wan mohamed azhary, mohd radzi abdul hamid, nor aida abd rahim.  (2020).  kajian impak kenaikan aras laut terhadap penduduk pantai timur, semenanjung malaysia.  - kolokium kebangsaan penyelidikan & pembangunan air 2020.  1-18.