Sa’diyah, Halimatus. “Improvement of Mathematics Learning Outcomes of Circle Materials Through the Discovery Learning Model in Madrasah Ibtida’iyah”. Research Journal on Teacher Professional Development 2, no. 2 (November 22, 2024): 190–195. Accessed June 26, 2026. https://journal.walisongo.ac.id/index.php/rjtpd/article/view/15688.