SIDDIQUE, Sharmin. Effects of Online Classes during Covid-19 at Tertiary Level in Bangladesh. Green University Review of Social Sciences, [S. l.], v. 7, n. 1-2, p. 208–219, 2022. DOI: 10.3329/gurss.v7i1-2.62696. Disponível em: https://www.banglajol.info/index.php/GURSS/article/view/62696. Acesso em: 21 sep. 2025.