SARWAR, G. IBRAHEEM SULAIMAN. THE ISLAMIC STATE AND THE CHALLENGE OF HISTORY: IDEALS, POLICIES AND OPERATION OF THE SOKOTO CALIPHATE . Islamic Studies, [S. l.], v. 28, n. 01, p. 87–89, 1989. DOI: 10.52541/isiri.v28i01.5373. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/5373. Acesso em: 7 dec. 2025.