Delgado, Juan Eduardo, Jose Jorge Salgado, and Ronaldo Perez. “Prospects of Biofuels in Colombia”. Revista Ingenierías Universidad de Medellín 14, no. 27 (November 7, 2015): 13–28. Accessed November 25, 2024. https://revistas.udem.edu.co/index.php/ingenierias/article/view/1683.