Impact of Covid-19 on Higher Education Sectors in Sri Lanka: A Study based on South Eastern University of Sri Lanka. Journal of Educational and Social Research, London, U.K., v. 10, n. 6, p. 341, 2020. DOI: 10.36941/jesr-2020-0132. Disponível em: https://www.richtmann.org/journal/index.php/jesr/article/view/12279.. Acesso em: 2 may. 2024.