VALVERDE FLORES, J. Methods used to determine the zeta potential of colloids in wastewater. Journal of Sciences and Engineering, [S. l.], v. 1, n. 1, p. 19–32, 2017. Disponível em: https://journals.cincader.org/index.php/sej/article/view/49. Acesso em: 10 jul. 2026.