Tri Astina Pangaribuan, & Winfronstein Naibaho. (2026). Impact of Thresher Drum Rotation in Removing Palm Fruit from Boiled Fruit Bunches (TBR). Journal of Engineering Science and Technology Management (JES-TM), 6(1), 291–301. https://doi.org/10.31004/jestm.v6i1.366