AHMAD TARMIZI; HIDAYAT, Hidayat. PENGEMBANGAN BAHAN AJAR BERBASIS PROBLEM BASED LEARNING PADA MATERI BILANGAN BULAT. Jurnal Cakrawala Ilmiah, [S. l.], v. 4, n. 8, p. 1229–1234, 2025. Disponível em: https://mail.bajangjournal.com/index.php/JCI/article/view/10246. Acesso em: 7 mar. 2026.