Ramirez- Gamboa, Jhonathan, Jorge Eduardo- Pachón, Oscar M. Casas- Leuro, and Sandro Faruc- González. “A New Database of on-Road Vehicle Emission Factors for Colombia: A Case Study of Bogotá”. CT&F - Ciencia, Tecnología y Futuro 9, no. 1 (May 10, 2019): 73–82. Accessed February 27, 2026. https://ctyfjournalecopetrolcomco.biteca.online/index.php/ctyf/article/view/154.