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 (May 2017), 17-30. DOI:https://doi.org/10.25098/1.3.33.