TOAPANTA RAMOS, LUIS, Gabriel Bohórquez Peñafiel, Luis Caiza Vivas, and William Quitiaquez Sarzosa. 2018. “Numerical Analysis of the Speed Profiles of a Water Flow through a Gradual Reduction Pipe”. Enfoque UTE 9 (3), pp. 80 - 92. https://doi.org/https://doi.org/10.29019/enfoqueute.v9n3.290.