MOHAMED SOFIADIN, A. Defining sustainable e-Learning: A Meta-Synthesis. Journal of Information Systems and Digital Technologies, [S. l.], v. 2, n. 2, p. 72–84, 2020. DOI: 10.31436/jisdt.v2i2.145. Disponível em: https://journals.iium.edu.my/kict/index.php/jisdt/article/view/145. Acesso em: 9 may. 2024.