A treatise in Arabic letters attributed to Al-Nadr bin Shumail (d. 203 AH) - may God have mercy on him -. Twejer Journal, Soran, Kurdistan regional Government,Iraq, v. 6, n. 2, p. 1597–1642, 2024. DOI: 10.31918/twejer.2362.37. Disponível em: https://journals.soran.edu.iq/index.php/Twejer/article/view/327. Acesso em: 15 jul. 2026.