AbdElrahman Saeed, Bashir Mohammed, and Mustafa Malik Ahmed Mustafa. “The Role of Training Courses in Aquiring Skills of Using Educational Aids A Field Study on the Teachers of the Basic Stage in Al-Hasahisa Administrative Unit, Gezira State, Sudan (2021)”. Journal of Tikrit University for Humanities 29, no. 5 (May 30, 2022): 370–393. Accessed June 5, 2026. https://jtuh.org/index.php/jtuh/article/view/207.