Buitrago-Suescún, Óscar, Víctor Zambrano-Gómez, and Daniel Zambrano-Arroyo. “Designing a Process for Separating Leftover Metoplastic Materials in the Production of Engine Gaskets at FRACO S.A.”. Ingenieria y Universidad 12, no. 2 (October 27, 2008). Accessed August 4, 2021. https://revistas.javeriana.edu.co/index.php/iyu/article/view/941.