Ahmad Tarmizi, and Hidayat Hidayat. “PENGEMBANGAN BAHAN AJAR BERBASIS PROBLEM BASED LEARNING PADA MATERI BILANGAN BULAT”. Jurnal Cakrawala Ilmiah 4, no. 8 (April 30, 2025): 1229–1234. Accessed March 7, 2026. https://mail.bajangjournal.com/index.php/JCI/article/view/10246.