Organizational Citizenship Behavior and its Relationship to the Professional Performance of Employees in the Sports Activity Department, Al-Rusafa II Education Directorate. cbej [Internet]. 2026 Feb. 22 [cited 2026 Jun. 28];1(عدد خاص):536-44. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/14385