Awat Sirdar Wahdi. Using Factor Analysis (Principal Component Method)to Determine the Most Important Factors Affecting Parents’ Choice of Private Schools Over Governmental Schools for Their Children in Erbil. ZJHS [Internet]. 2020 Oct. 28 [cited 2026 May 2];24(3):216-37. Available from: https://zancojournal.su.edu.krd/index.php/JAHS/article/view/3395