Pamungkas, D. (2020) “Efektifitas Google Classroom Terhadap Keaktifan Mahasiswa Dalam Era Revolusi Industri 4.0”, THEOREMA: The Journal Education of Mathematics, 1(1), pp. 44–53. Available at: https://e-journal.unimudasorong.ac.id/index.php/jurnaltheorema/article/view/1090 (Accessed: 25 April 2025).