QUIROZ FERNÁNDEZ, L. S.; IZQUIERDO KULICH, E.; MENÉNDEZ GUTIÉRREZ, C. STUDY OF THE ENVIRONMENTAL IMPACT OF WASTEWATER DISCHARGES ON THE SELF-PURIFICATION CAPACITY IN PORTOVIEJO RIVER, ECUADOR. Centro Azúcar Journal, [S. l.], v. 45, n. 1, p. 11, 2018. Disponível em: http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/55. Acesso em: 25 jun. 2025.