KHATTAB SULTAN, M.; حامد Algbory A. Construct and applying the existential attendance scale for advanced football club players in Nineveh Governorate. College of Basic Education Research Journal, [S. l.], v. 17, n. 3, p. 1088–1114, 2021. DOI: 10.33899/berj.2021.169649. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/39472. Acesso em: 26 oct. 2025.