SUDEY, A.; AL-ROME, J.; AL-SWEEDE, A. The research aims at revealing the comparison between the effect of two ways of the direct and indirect mental training in developing some basic skills in volleyball . The researchers followed the empirical way in their wark. Al-Rafidain Journal For Sport Sciences, [S. l.], v. 13, n. 45, p. 69–92, 2007. DOI: 10.33899/rajsport.2007.6196. Disponível em: https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50637. Acesso em: 2 oct. 2025.