A Research Review of the Early Initiatives and Juridical Opinions of ʻUmar ibn al-Khaṭṭāb (May Allah be pleased with him): عمر بن خطاب رضی اللہ عنہ کے اولیات اور اجتہادات کا تحقیقی جائزہ. Al-Mithaq ( Research Journal of Islamic Theology), [S. l.], v. 3, n. 01, p. 201–215, 2024. Disponível em: https://almithaqjournal.org/index.php/home/article/view/108. Acesso em: 1 aug. 2025.