On the Concept of Umma in World Politics. Muslim Politics Review, [S. l.], v. 1, n. 1, p. 111–113, 2022. DOI: 10.56529/mpr.v1i1.56. Disponível em: https://journal.uiii.ac.id/index.php/mpr/article/view/56. Acesso em: 29 jun. 2026.