NURAENI, N. Second grader students in WhatsApp group e-Learning process. ETUDE: Journal of Educational Research, [S. l.], v. 1, n. 3, p. 103–109, 2021. DOI: 10.56724/etude.v1i3.36. Disponível em: https://alejournal.com/index.php/etude/article/view/36. Acesso em: 5 jul. 2025.