García-Navas Duban Fabián, Felipe Bustamante, Villa Aída Luz, and Edwin Alarcón. “Esterification of Rosin With Methyl Alcohol for Fuel Applications”. Revista Facultad de Ingeniería Universidad de Antioquia0, no. 100 (December 9, 2020): 10-20. Accessed August 3, 2021. https://revistas.udea.edu.co/index.php/ingenieria/article/view/341741.