Asri Widyayanti, O. et al. 2023. Adsorbent effectiveness of α-cellulose/humatic acid with epichlorohydrin cross-linking agent on methyl orange dye. Jurnal Pijar Mipa. 18, 6 (Nov. 2023), 999–1005. DOI:https://doi.org/10.29303/jpm.v18i6.5917.