T. M. Azahar, I. Abu Seman, A. H. Darusman, and N. Ibrahim, “Assessment of Basal Stem Rot Disease Distribution in Palm Oil Plantation Using Geographical Information System”, jst, vol. 6, no. 2, Dec. 2014, Accessed: May 18, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/JST/article/view/922