Tapias Contreras, H.J. and Caraballo Hernández, V.P. 2023. GIS Application for Estimation of Concentration Times in the Middle Basin of Sinu River, Colombia. Rev. Téc. Fac. Ing. Univ. Zulia. 46, (Jul. 2023), e234605. DOI:https://doi.org/10.22209/rt.v46a05.