NGUYEN, T. A. The evaluation of the biosorption of a sulfur brown gd from aqueous solutions by the recycled acid-washing activated sludge. Journal of Technical Education Science, [S. l.], v. 11, n. Special Issue 02, p. 43–47, 2016. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/424. Acesso em: 7 apr. 2026.