E. G. . Estrada Araoz, J. N. . Paricahua Peralta, L. . Velásquez Giersch, Y. . Paredes Valverde, R. . Quispe Herrera, and M. Ángel . Puma Sacsi, “Concern about COVID-19 infection in Peruvian teachers when returning to face-to-face education”, AVFT, vol. 41, no. 4, Apr. 2023.