Viguera Molins, M.J. (1991) “Studies in the History of Arabia. II: Pre-Islamic Arabia”., Anaquel de Estudios Árabes, 2, p. 339. Available at: https://revistas.ucm.es/index.php/ANQE/article/view/ANQE9191110339A (Accessed: 23 July 2026).