Biosorption of Total Chrome Metals on Leather Tannery Liquid Waste Using Tofu Dregs . Nusantara Science and Technology Proceedings, Malang, Indonesia, p. 200–204, 2020. DOI: 10.11594/nstp.2020.0531. Disponível em: https://nstproceeding.com/index.php/nuscientech/article/view/263. Acesso em: 24 apr. 2025.