Abdel Fattah Mousa K. The application of total quality management in private schools and its role in improving job performance from the point of view of principals. BCESUJ [Internet]. 2022 Sep. 11 [cited 2026 Sep. 16];69(7):1-13. Available from: https://bcuj.baghdadcollege.edu.iq/index.php/BCESUJ/article/view/215