M. A. Barreto, M. Ruiz Díaz Vega, and C. K. Kwan Chung, “Digital skills of university professors at a private university in Asunción-Paraguay, before and during the COVID-19 pandemic, 2021”, Rev. cient. cienc. soc., vol. 5, no. 1, pp. 52–59, May 2023, doi: 10.53732/rccsociales/05.01.2023.52.