Marshanawiah, Andi, Sartika Arifin, Fauziah Hakim, Nursyam Anaguna, and Muliani Muliani. “Pengembangan E-Modul Ajar Konsep Dasar Matematika SD Berbasis Realistic Mathematics Education Berpadu Problem Based Learning Dengan Menggunakan Flipbook”. Journal on Education 5, no. 3 (February 22, 2023): 10238-10249. Accessed May 3, 2024. https://jonedu.org/index.php/joe/article/view/1918.