Silva, Eliud, and Alejandro Aguirre. “Crossovers Between Births Falls and Deaths Peaks During the COVID-19 Pandemic: The Mexican Case”. EconoQuantum 20, no. 2 (June 30, 2023): 31–51. Accessed April 21, 2025. https://econoquantum.cucea.udg.mx/index.php/EQ/article/view/7296.