Silva Rodríguez, Julián David. “Design of a Network of Reverse Logistics: Case Study Usochicamocha - Boyacá”. Ingeniería y Ciencia 13, no. 26 (November 14, 2017): 91–113. Accessed May 5, 2024. https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/4665.