Uslinawaty, Zakiah, Nurhayati Hadjar, Niken Pujirahayu, Nurmaningsih Hamzah, Abigael Kabe, and Anggi Nurhafidzah. “KUALITAS DAMAR POHON POOTI (Hopea Gregaria) BERDASARKAN UJI VISUAL, BILANGAN ASAM, DAN KADAR ABU: Quality of Pooti Dammar Resin (Hopea Gregaria) Based on Visual Test, Acid Number, and Ash Content”. PERENNIAL 17, no. 1 (April 30, 2021): 1-4. Accessed December 5, 2024. http://334012.libg.asia/index.php/perennial/article/view/12646.