SINGH, D. B. Effectiveness of virtual class for Pre-primary level. Interdisciplinary Journal of Management and Social Sciences, [S. l.], v. 2, n. 1, p. 60–64, 2021. DOI: 10.3126/ijmss.v2i1.36742. Disponível em: https://www.nepjol.info/index.php/ijmss/article/view/36742. Acesso em: 16 apr. 2024.