Inyinbor, Adejumoke A., et al. “Surface Modified Low Cost Adsorbent in Malachite Green Scavenging, Malachite Green Rhodamine B and Malachite Green Rhodamine B Cu2+ Composite Treatment”. Orbital: The Electronic Journal of Chemistry, vol. 12, no. 2, June 2020, pp. 87-94, https://periodicos.ufms.br/index.php/orbital/article/view/15752.