Synthesis and characterization of ZnO/activated carbon khat nanocomposite for removal of methylene blue dye. Indian Journal of Chemical Technology (IJCT), [S. l.], v. 31, n. 3, p. 462–469, 2024. DOI: 10.56042/ijct.v31i3.4983. Disponível em: https://or.niscpr.res.in/index.php/IJCT/article/view/4983. Acesso em: 14 may. 2026.