Nayef, Mothana. “Assessment of the Level of Knowledge of Physical Education Teachers With the Requirements of Total Quality for Managing Physical Education Activities from the Point of View of School Principals”. Al-Rafidain Journal For Sport Sciences 25, no. 78 (August 1, 2022): 237–250. Accessed October 2, 2025. https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50621.