Pauta-Calle, G., M. Velazco, D. Gutierrez, G. Vázquez, S. Rivera, O. Morales, and A. Abril. “Water Quality Assessment of the Rivers of Cuenca City in Ecuador”. Maskana, vol. 10, no. 2, Dec. 2019, pp. 76-88, doi:10.18537/mskn.10.02.08.