SHARDA, P.; BAJPAI, M. K. Online Learning and Teaching using Google Classroom during the COVID 19 Pandemic. DESIDOC Journal of Library & Information Technology, [S. l.], v. 41, n. 5, p. 352–357, 2021. DOI: 10.14429/djlit.41.5.16205. Disponível em: https://publications.drdo.gov.in/ojs/index.php/djlit/article/view/16205. Acesso em: 27 jun. 2025.