Dr. Reda Abdelfattah Mohammad, Abdullah M. O. Alahmari, Raji Hassan Faqih. Comparative Analysis Of Six Sigma’s Impact On Employee Performance In Higher Education Institutions: King Khalid University And Suez Canal University. Kurd. Stud. [Internet]. 2023 Feb. 27 [cited 2024 Jun. 30];11(2):6242-56. Available from: http://kurdishstudies.net/menu-script/index.php/KS/article/view/3008