THERESA, M.; GINTING, S. O. Impregnation of bentonite with cellulose as adsorbent of congo red. Science and Technology Indonesia, [S. l.], v. 2, n. 2, p. 37–44, 2017. DOI: 10.26554/sti.2017.2.2.37-44. Disponível em: https://www.sciencetechindonesia.com/index.php/jsti/article/view/14. Acesso em: 2 may. 2026.