1. Abad-Segura et al. 2020 – Abad-Segura, E., González-Zamar, M.D., Infante-Moro, J. and Ruipérez García, G., 2020. Sustainable Management of Digital Transformation in Higher Education: Global Research Trends. Sustainability 12(5), DOI: 10.3390/su12052107. CrossRef Google Scholar