Tratzi, Christian. « Saudi Arabia and the daʿwa Mission: The Role of the Muslim World League and the Islamic University of Medina in Spreading Wahhabi-Salafi Doctrine in the 1960s». Anaquel de Estudios Árabes, vol. 35, vol. 35, n.º 2, 2024, pp. 168-7, doi: https://doi.org/10.5209/anqe.95420.