Oviedo-Escobar, N., and A. Torres. “Hydrologic Attenuation and the Hydrologic Benefits of Implementing Eco-Productive Green Roofs in Marginal Urban Areas”. Ingenieria Y Universidad, vol. 18, no. 2, Nov. 2014, pp. 291 -08, doi:10.11144/Javeriana.IYU18-2.hahb.