Sudarman, Sudarman, Sartika Sartika, Iip Sugiharta, and Farida Farida. “Pengaruh E-Learning Berbantuan Google Classroom Terhadap Kemampuan Pemecahan Masalah Matematis”. Jurnal Cendekia : Jurnal Pendidikan Matematika 5, no. 3 (August 1, 2021): 2133-2140. Accessed April 16, 2026. https://j-cup.org/index.php/cendekia/article/view/625.