MAMMAN, D.; IBRAHIM, S. Y. THE IMPACT OF ISLAM ON SOCIO-POLITICAL STRUCTURE OF MANDARA SULTANATE: AN OVERVIEW. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 5, n. 7, p. 179–186, 2017. DOI: 10.29121/granthaalayah.v5.i7.2017.2119. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG17_A07_464. Acesso em: 6 may. 2024.