DEY, Niradhar. Online Learning Experiments and Experiences through Google Groups: A Case of M.A. Education Programme of IGNOU during Covid-19 Pandemic. Indian Journal of Educational Technology, India, v. 4, n. II, p. 186–200, 2022. Disponível em: https://ojs.ncert.org.in/IJET/article/view/485. Acesso em: 10 jun. 2026.