Institutional Building in the Era of Hazrat Umar (R.A) and its Impact on the Muslim Community. International Research Journal on Islamic Studies (IRJIS), [S. l.], v. 4, n. 2, p. 31–39, 2022. DOI: 10.54262/irjis.04.02.e03. Disponível em: https://islamicjournals.com/ojs/index.php/IRJIS/article/view/244.. Acesso em: 22 dec. 2024.