Asri Widyayanti O, Mohtar CFA, Jaman A. Adsorbent effectiveness of α-cellulose/humatic acid with epichlorohydrin cross-linking agent on methyl orange dye. J. Pijar.MIPA [Internet]. 2023 Nov. 30 [cited 2024 May 20];18(6):999-1005. Available from: http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/5917