KA KA KHEL, M. N. . BAY’A AND ITS POLITICAL ROLE IN THE EARLY ISLAMIC STATE . Islamic Studies, [S. l.], v. 20, n. 03, p. 227–238, 1981. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/6008. Acesso em: 6 dec. 2025.