RUTEGIBIGENI , D. . The Impact of the Leadership Style of the Four Caliphates on the Politics of Islam in Contemporary Time. African Multidisciplinary Journal of Research, [S. l.], v. 9, n. 2, p. 43–68, 2025. DOI: 10.71064/spu.amjr.9.2.316. Disponível em: http://41.89.51.178/index.php/amjr/article/view/316. Acesso em: 6 jul. 2025.