PEMEX : the ethanol decision - Corrales Estrada, Martha, (SAGE Publications Ltd, 2017)
Originally published: Estrada, M. C., Cort, T., & Elias, J. (2014). PEMEX: The ethanol decision. 102-14. New Haven, CT: Yale School of Management, Yale University. Retrieved from: https://nexus.som.yale.edu/pemex/.