Vaquerano Amaya, José Adán, and Ana Lorena Mártir. “The Opportunities and Threats in the New Normality of Medium and Large Salvadoran Companies under the Context of the COVID-19 Pandemic”. Research Journal, vol. 2, no. 14, Dec. 2023, pp. 30-52, doi:10.5377/revunivo.v2i14.17023.