Ali Muhammad Baqir, M., and T. Younis Allawi. “Constructing a Scale of Skill Learning Difficulties in Basketball for College Students and Departments Physical Education and Sports Science in Nineveh Governorate”. College of Basic Education Research Journal, vol. 19, no. 1, Mar. 2023, pp. 654-75, doi:10.33899/berj.2023.178130.