khairul nizam abdul maulud;mohd. ekhwan bin toriman;mokhtar bin jaafar;che abd. rahim bin mohamed;zaidi bin che cob;wan mohd. lotfi bin wan muda;wan juliana bt. wan ahmad;norhayati bt. ahmad;firdaus bin mohamad hamzah;lam kuok choy;mohammad khairul faizi.  (2020).  program data alam sekitar di sepanjang selat johor dan di sekitar batuan tengah dan tubir selatan.  - .  . 

wan shafrina wan mohd jaafar, khairul nizam abdul maulud, aisyah marliza muhmad kamarulzaman, asif raihan, syarina md sah, azizah ahmad, siti nor maizah saad, ahmad tarmizi mohd azmi, nur khairun ayuni jusoh syukri &waseem razza.  (2020).  the influence of deforestation on land surface temperature, a case study of perak and kedah, malaysia.  - forests.  1-27. 

ahmad tarmizi mohd azmi, khairul nizam abdul maulud,syarina md sah,azizah ahmad,khirunnisa mazelan,nur khairun ayuni jusoh sukri.  (2020).  draft manual spatial analysis.  - .  1-36. 

khairul nizam abdul maulud, wan shafrina wan mohd jaafar, sharifah mastura syed abdullah, syarina md sah,wan juliana wan ahmad, kuok choy lam, mohd zulfahmie mohamat zawawi, nur khairun ayuni jusoh sukri.  (2019).  identification of degradation areas in the central forest spine of perak and kedah through geospatial imagery database.  - proceedings of ipi research colloquium 2018.  97-100. 

khairul nizam abdul maulud, sharifah mastura syed abdullah, wan juliana bt. wan ahmad, wan shafrina wan mohd jaafar, lam kuok choy, syarina binti md sah & nur khairun ayuni binti jusoh sukri.  (2018).  identifying the impacted area of the central forest spine by using temporal satellite image.  - seminar pembentangan kemajuan dan hasil penyelidikan geran kursi perubahan iklim ukm ysd.  .