YUSMARTINI, Eka Sri; MARDWITA; SHAFFIRA, Siti Aisyah Putri; RAHADIANTO, Wahyu Triaji. Characterization and Adsorption Effectiveness of Coconut Shell-Activated Carbon/Fe₃O₄ as Novel-Adsorbent on Copper Removal from Wastewater. Global Journal of Engineering and Technology Research, [S. l.], v. 1, n. 04, p. 193–198, 2025. DOI: 10.65150/EP-gjetr/V1E4/2025-05. Disponível em: https://gjetr.ep-journals.org/index.php/gjetr/article/view/21. Acesso em: 28 sep. 2026.