SHARMA, M.; NAYAK, S.; SHARMA, M. Online learning: A blessing during pandemic with special reference to students studying in private institutions at Dehradun (Uttarakhand). International journal of health sciences, [S. l.], v. 6, n. S4, p. 7904–7914, 2022. DOI: 10.53730/ijhs.v6nS4.10320. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/10320. Acesso em: 19 jun. 2026.