Gutiérrez-Estupiñán, Cindy, José Gutiérrez-Gallego, and Melba Sánchez-Soledad. “Preparation of a Composite Material from Palm Oil Fiber and an Ecological Emulsion of Expanded Polystyrene Post-Consumption”. Revista Facultad de Ingeniería 29, no. 54 (January 1, 2020): e10489. Accessed July 9, 2020. https://revistas.uptc.edu.co/index.php/ingenieria/article/view/10489.