KA KA KHEL, M. N. . POLITICAL SYSTEM IN PRE-ISLAMIC ARABIA. Islamic Studies, [S. l.], v. 20, n. 04, p. 375–393, 1981. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/6018. Acesso em: 6 dec. 2025.