“RELACIÓN DE LAS CURVAS DE ENERGÍA ESPECÍFICA Y PENDIENTE DE FRICCIÓN CON LAS ZONAS DE FLUJO LIBRE EN CANALES (One objective of an introductory course of open-channel flow is the analysis of gradually varied flow profiles. This paper shows a teaching-lear”, reveia, vol. 5, no. 9, pp. 69–75, Oct. 2013, Accessed: Jul. 18, 2025. [Online]. Available: https://eiaupgrade.metarevistas.org/index.php/reveia/article/view/199