Atikah, Nur, Nurhizrah Gistituati, Yanti Fitria, and Hendra Syarifuddin. “Validitas E-Modul Matematika Sekolah Dasar Berbasis Pendekatan Realistic Mathematics Education (RME)”. Jurnal Basicedu 5, no. 6 (November 27, 2021): 6103–6109. Accessed July 22, 2024. https://jbasic.org/index.php/basicedu/article/view/1799.