Alsharji, Khaled E., Mohammed F. Alkatan, Abdullah A. Akbar, and Hasan A. Ahmad. 2020. “The Relative Age Effect in Handball: Its Existence and Influence on Playing Position for Youth and Junior Asian National Teams”. Dirasat: Educational Sciences 47 (1):587-94. https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/1893.