YIFIRA, Medhanit Tefera; DODA, Mesfin Bibiso; KANIDO, Camerun Kastro. Coffee Husk and Coffee Ground as an Adsorbent for the Removal of Lead, Copper and Chromium from Aqueous Solution. Pakistan Journal of Analytical & Environmental Chemistry, [S.l.], v. 24, n. 1, p. 106-117, june 2023. ISSN 2221-5255. Available at: <https://pjaec.pk/index.php/pjaec/article/view/914>. Date accessed: 15 july 2024. doi: http://dx.doi.org/10.21743/pjaec/2023.06.10.