Tri Astina Pangaribuan, and Winfronstein Naibaho. “Impact of Thresher Drum Rotation in Removing Palm Fruit from Boiled Fruit Bunches (TBR)”. Journal of Engineering Science and Technology Management (JES-TM) 6, no. 1 (March 29, 2026): 291–301. Accessed April 17, 2026. https://jes-tm.org/index.php/jestm/article/view/366.