Ciocîltan, Virgil. 2002. “The Arabs and the Islam until the 13th Century: Mohamed and the Genesis of the Islam”. The Annals of "Dunarea De Jos" University of Galati. Fascicle XIX, History 1 (November), 45-53. https://gup.ugal.ro/ugaljournals/index.php/history/article/view/971.