الحسيني حسين نعمة. The effect of using the problem-solving method in developing mathematical thinking among fourth-grade preparatory students in Najaf Governorate. Kufa Journal of Arts, [S. l.], v. 1, n. 35, p. 155–176, 2018. DOI: 10.36317/kaj/2018/v1.i35.6205. Disponível em: https://journal.uokufa.edu.iq/index.php/kufa_arts/article/view/6205. Acesso em: 24 sep. 2026.