Implementasi Metode Problem Solving dalam Pembelajaran Aqidah Akhlak dan Pengaruhnya terhadap Keputusan Moral Siswa SMP Al-Washliyah 09 Belawan. alBiruni, [S. l.], v. 1, n. 1, p. 17–31, 2025. Disponível em: https://albirunijournal.id/index.php/bjies/article/view/4. Acesso em: 25 feb. 2026.