Rangel González, Erick, Irving Llamosas-Rosas, and Felipe J. Fonseca. “Social Isolation and Covid-19 in the Regions of Mexico”. EconoQuantum 18, no. 2 (June 25, 2021): 1–22. Accessed April 3, 2025. https://econoquantum.cucea.udg.mx/index.php/EQ/article/view/7227.