Morillo, Daniel, Luis Moreno, and Javier Díaz. “Analytic and Heuristic Methodologies for Solving the Resource Constrained Project Scheduling Problem (RCPSP): A Review Part 1”. Ingeniería y Ciencia 10, no. 19 (January 31, 2014): 247-271. Accessed October 15, 2019. http://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/1982.