2018. Evaluation of the sanitary and Pluvial sewer system of the faculty of Mathematical and Physical Sciences of the University of Guayaquil. Journal of Science and Research: Revista Ciencia e Investigación. 3, ICCE2018 (Dec. 2018), 16–27. DOI:https://doi.org/10.26910/issn.2528-8083vol3issICCE2018.2018pp17-34p.