MOHD SYAKIR MOHD ROSDI; SUWANDI SIMANGUNSONG. KEPEMIMPINAN BERTERASKAN ISLAM SAIDINA UMAR AL-KHATTAB RA. Journal of Islamic, Social, Economics and Development, [S. l.], v. 6, n. 39, 2021. Disponível em: https://academicinspired.com/jised/article/view/1276. Acesso em: 18 jan. 2025.