Renas Abubaker Ahmed, Shahla Othman Salah Qadr, and Huda Muhamed Saied. 2017. “Statistical Study for Factors Affecting the Students Performance of the School of Administration and Economic at Sulaimani University”. The Scientific Journal of Cihan University– Sulaimaniya 1 (3):17-30. https://doi.org/10.25098/1.3.33.