NAYEF, M. 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, [S. l.], v. 25, n. 78, p. 237–250, 2022. DOI: 10.33899/rjss.2022.175459. Disponível em: https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50621. Acesso em: 2 oct. 2025.