Reis, C.F. de S. , Simões, M. and Flores-Tena, M. 2021. Students’ pre and during COVID-19 perception of higher education switch to online: An exploratory study in Portugal. Cypriot Journal of Educational Sciences. 16, 5 (Oct. 2021), 2368–2377. DOI:https://doi.org/10.18844/cjes.v16i5.6352.