Evaluating the Process of Education Using Six Sigma in College of Administration and Economics at the University of Sulaimaniah. J. Admin. Econ. [انترنت]. 19 أبريل، 2022 [وثق 10 مايو، 2025];(119):95-107. موجود في: https://admics.uomustansiriyah.edu.iq/index.php/admeco/article/view/507