Sudey A, عامر, AL-Rome J, جاسم, AL-Sweede A, احمد. 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. RJSS [Internet]. [cited 2025 Sep. 27];13(45):69-92. Available from: https://jamh.uomosul.edu.iq/index.php/rjss/article/view/36079