W. E. Chávez-García, D. B. Moreira-Morales, L. E. Manzaba-Basurto, D. J. Álava-Castro, and F. M. Avila-Rosales, “School dropout in the face of the COVID-19 pandemic in upper basic students of the Bachillero educational unit”, ijss, vol. 6, no. 2, pp. 77-82, May 2023.