Syahgita, N., Nurramadhani, N. ., Rizki, Z. Y. . dan Wahyunengsih (2025) “ASSESING THE EFFECT OF IBL ON MATHMETICS UNDERSTANDING AT JUNIOR HIGH SCHOOL LEVEL”, Relevan : Jurnal Pendidikan Matematika, 5(3). doi: 10.58432/relevan.v5i3.1416.