ROSERO, J. A.; SUÁREZ HEREDIA, M. A. Effect of the concentration of chitosan in the decrease of the solids suspended in the water entry of Bellavista treatment plant. FIGEMPA: Investigación y Desarrollo, Quito, EC, v. 7, n. 1, p. 19–24, 2019. DOI: 10.29166/revfig.v1i1.1330. Disponível em: https://revistadigital.uce.edu.ec/index.php/RevFIG/article/view/1330. Acesso em: 19 feb. 2026.