Abd Aziz, Mohd Ismail, Noryanti Nasir, and Akbar Banitalebi. “The Optimal Felling Rate in the Palm Oil Plantation System”. MATEMATIKA 35, no. 1 (April 1, 2019): 95–104. Accessed November 21, 2024. https://matematika.utm.my/index.php/matematika/article/view/1037.