Vidiyanti, Viya. “DESAIN BAHAN AJAR BANGUN RUANG SISI DATAR UNTUK MENGATASI LEARNING OBSTACLE SISWA KELAS VIII MTS RIYADHUL MUTAALIMIN CIKAREO”. Journal of Mathematics Learning 7, no. 1 (February 12, 2024): 38-53. Accessed June 18, 2026. http://jml.ejournal.id/index.php/penmat/article/view/88.