Daliman, Shaparas, Nur Adilah Mohd Azmi, and Alvin Lau Meng Shin. “Implementation of Open Source GIS to Palm Oil Tree Plantation Database: A Case Study in Bukit Kerayong and Bukit Rajah Estate”. Journal of Tropical Resources and Sustainable Science (JTRSS) 5, no. 3 (December 31, 2017): 121–127. Accessed July 3, 2024. http://journal.umk.edu.my/index.php/jtrss/article/view/656.