Andewi, Widi, and Dwi Pujiastuti. “Google Classroom: The Web-Based Media for Teaching English”. Jurnal Penelitian Ilmu Pendidikan 14, no. 2 (October 23, 2021): 189–198. Accessed May 15, 2025. https://jurnal.uny.ac.id/index.php/jpip/article/view/41450.