Agredo Cardona, Gustavo Adolfo, and Santo Trinidad Alvarez Ysabel. 2017. “The Urban Watershed As Basic Unit for Sustainable Development in the Colombian Tropical Andean Mountain Cities: The Hydro-Structure in the Sustainable Urban Watershed”. Labor E Engenho 11 (1). Campinas, SP:18-29. https://doi.org/10.20396/labore.v11i1.8648148.