SINGH, Renu. Effectiveness of Online Learning during the COVID-19 Pandemic. Academic Voices: A Multidisciplinary Journal, [S. l.], v. 10, n. 1, p. 77–85, 2020. DOI: 10.3126/av.v10i1.74258. Disponível em: https://www.nepjol.info/index.php/AV/article/view/74258. Acesso em: 6 dec. 2025.