Kamu, Assis, Bonaventure Boniface, Abdul Rahim Awang, Affendy Hassan, Mohammad Amizi Ayob, and Siti Kalsom Yulo. “Attitude of Oil Palm Smallholders towards Ganoderma Disease”. International Journal of Economics and Financial Issues 6, no. 7S (November 20, 2016): 177–180. Accessed June 13, 2024. https://econjournals.com/index.php/ijefi/article/view/3603.