Narmouq T ziad. The Effect of Using Mental Visualization in Learning Swimming Skills and Improving Focus in the Age Group (9 to 12) years. Edu [Internet]. 2021 Jun. 1 [cited 2024 Jul. 2];48(2):95-115. Available from: http://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/2711