TAMBUNAN, Amalia Hikmayanti; RAHMAN, Mhd Habibu; TOBING, M. Alfarizi; HIDAYAT, Najir; LEGINIK, Leginik. The Effectiveness of Problem Based Learning in Improving Students Understanding of Islamic Creed and Ethics. JHSS (Journal of Humanities and Social Studies), [S. l.], v. 10, n. 1, p. 283–288, 2026. DOI: 10.33751/jhss.v10i1.73. Disponível em: https://jhss-lppmunpak.id/index.php/jhss/article/view/73. Acesso em: 18 apr. 2026.