Ervinasari, Bunga, and Astuti Astuti. “Model Missouri Mathematics Project (MMP) Terhadap Kemampuan Pemahaman Konsep Matematika Siswa ”. Journal of Education Research 4, no. 4 (December 3, 2023): 1958–1967. Accessed October 3, 2025. https://www.jer.or.id/index.php/jer/article/view/634.