Chacón-Vélez, K. E., C. P. Haro-Barroso, and L. C. Carrera-Beltrán. “Water Quality Evaluation: Copueno River Case in Ecuador”. Journal of the University of Zulia , Vol. 15, no. 43, May 2024, pp. 556-72, doi:10.46925//rdluz.43.30.