M.SUDEY, A. The Effect of Using the direct Mental Training way in Developing Some Basic Skills in Volleyball. Al-Rafidain Journal For Sport Sciences, [S. l.], v. 13, n. 44, p. 183–204, 2007. DOI: 10.33899/rajsport.2007.6031. Disponível em: https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50808. Acesso em: 2 oct. 2025.