Govea Franco, Ángeles Montserrat, Rubén Macías Acosta, and Miguél Ángel Oropeza Tagle. “Profitability of Petróleos Mexicanos: Determinants and Discussions on the Public Budget”. RAN - Revista Academia & Negocios 4, no. 2 (November 11, 2020): 47-60. Accessed May 4, 2024. https://revistas.udec.cl/index.php/ran/article/view/2551.