محجوب ضرار سعاد سيد. The system of culture in the pre-Islamic era: A source of Islamic civilization. Ibn Khaldoun Journal for Studies and Researches, فلسطين, v. 3, n. 9, 2023. DOI: 10.56989/benkj.v3i9.659. Disponível em: https://www.benkjournal.com/index.php/benkj/article/view/659. Acesso em: 18 apr. 2026.