KIRAN, F.; NADEEM, D. A. Human Resource Management in the Era of Caliph ʿUmaribnKhaṭṭāb (R.A.) [13AH-23AH]. Al-Irfan, [S. l.], v. 7, n. 14, 2022. Disponível em: https://ojs.mul.edu.pk/index.php/alirfan/article/view/162. Acesso em: 29 apr. 2025.