Removal of cobalt (II) ions from aqueous solution by Peganum Harmala seeds. Indian Journal of Chemical Technology (IJCT), [S. l.], v. 29, n. 3, p. 318–324, 2023. DOI: 10.56042/ijct.v29i3.56814. Disponível em: https://or.niscpr.res.in/index.php/IJCT/article/view/2007. Acesso em: 15 may. 2026.