Luis Fernando Muñoz, and Mtro. Sergio Solís Tepexpa. “Mexican Airlines in the Current Situation of COVID 19. Evolution and Prospects”. European Journal of Marketing and Economics 3, no. 1 (May 15, 2020): 132–144. Accessed April 29, 2024. https://revistia.org/index.php/ejme/article/view/5274.