Sierra, Jorge, and Edwin Correa. “Obtaining the CAD Flow Models in the Francis Turbine of the Sancancio Hydroelectric Power Plant by Means of Reverse Engineering ”. International Journal of Integrated Engineering, vol. 12, no. 1, Jan. 2020, pp. 172-87, https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/4462.