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. RJSS [Internet]. 2007 Dec. 1 [cited 2025 Oct. 2];13(45):69-92. Available from: https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50637