IRFANDY, Fauzan; RISTIANINGSIH, Yuli; ISTIANI, Alit. Study of the activity of activated carbon impregnated with Fe2O3 as a biosorbent for methylene blue from wastewater. Eksergi, [S. l.], v. 18, n. 2, p. 89–92, 2021. DOI: 10.31315/e.v0i0.4536. Disponível em: https://jurnal.upnyk.ac.id/index.php/eksergi/article/view/4536. Acesso em: 23 aug. 2025.