Document delivering services: a strategy to support research in Mexican universities in the pandemic by COVID-19. - César Saavedra-Alamillas; Josmel Pacheco-Mendoza; Héctor Eduardo García-Meléndez; Amado Vilchis López; Humberto Martínez-Camacho; Erik Miguel Ortiz-Díaz; Eugenia Ortega-Martínez (Digit. Libr. Perspect., 2020)

Digital services adapted by libraries in Mexico to COVID-19 pandemic: a critical review. - Eugenia de los Ángeles Ortega-Martínez; Josmel Pacheco-Mendoza; Héctor Eduardo García-Meléndez; Erik Miguel Ortiz-Díaz; César Saavedra-Alamillas (Digit. Libr. Perspect., 2021)