Hasibuan, R, and Heri Gusman. “Effect of Operation Condition on Gelugur Acid (Garcinia Atroviridis) Drying Rate Using Tray Dryer”. Talenta Conference Series: Science and Technology (ST) 1, no. 2 (December 20, 2018): 160 - 167. Accessed May 9, 2024. https://talentaconfseries.usu.ac.id/st/article/view/293.