M, C. S. D.; QAMARIA, R. S. The Effectiveness of Google Classroom as English Learning Assistance. Kontribusi: Jurnal Penelitian dan Pengabdian Kepada Masyarakat, [S. l.], v. 1, n. 1, p. 47–53, 2020. DOI: 10.53624/kontribusi.v1i1.10. Disponível em: https://jurnal.ciptamediaharmoni.id/index.php/kontribusi/article/view/10. Acesso em: 4 jul. 2024.