محمود الصفار ن. Effect Of Comparative Competition Style In The Learning And Retention The Techniques Of Some Free Wrestling Holds. College of Basic Education Research Journal, [S. l.], v. 10, n. 1, p. 394–417, 2011. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/38619. Acesso em: 26 oct. 2025.