TRAN, . T. K. A. Heavy metal removal from wastewater by pellet reactor. Journal of Technical Education Science, [S. l.], v. 15, n. 1, p. 41–46, 2020. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/193. Acesso em: 7 apr. 2026.