Méndez-Sayago, J. M., Méndez Sayago, J. A., & Hernández Escolar, H. A. (2017). Impact of Retributive Taxes for Spills Control in Colombia. Apuntes del Cenes, 36(64), 167–198. https://doi.org/10.19053/01203053.v36.n64.2017.5314