RIYANTI, Anggrika; HADRAH, Hadrah; ZEUSICA SIHOMBING, Arisanti Monica. Recycling of water treatment plant sludge for copper adsorption from aqueous solutions. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands, [S. l.], v. 13, n. 2, p. 174–185, 2024. DOI: 10.36706/jlso.13.2.2024.681. Disponível em: https://jlsuboptimal.unsri.ac.id/index.php/jlso/article/view/681. Acesso em: 13 jul. 2026.