KUMAR R, K. .; KUMAR R, J. . Effectiveness of E-Learning in Teaching Chemistry with Reference to Certain Selected Variables. International Journal of Education and Practice, [S. l.], v. 1, n. 1, p. 1–13, 2013. DOI: 10.18488/journal.61/2013.1.1/61.1.1.13. Disponível em: https://archive.conscientiabeam.com/index.php/61/article/view/448. Acesso em: 5 jul. 2024.