Koleangan, Harry S. J., and Audy D. Wuntu. “KAJIAN STABILITAS TERMAL DAN KARAKTER KOVALEN ZAT PENGAKTIF PADA ARANG AKTIF LIMBAH GERGAJIAN KAYU MERANTI (Shorea Spp)”. CHEMISTRY PROGRESS 1, no. 1 (December 13, 2019): 43–46. Accessed December 28, 2024. https://ejournal.unsrat.ac.id/v3/index.php/chemprog/article/view/25.