The role of secondary school principals in developing school administration from the perspective of physical education teachers in Mosul. The International Journal for Scientific Research, [S. l.], v. 5, n. 8, 2026. DOI: 10.59992/IJSR.2026.v5n8p3. Disponível em: https://vsrp.co.uk/index.php/ijsr/article/view/1761. Acesso em: 11 aug. 2026.