The effect of perceptual understanding of physical and mental exercise in learning motor skills - Experimental research on a sample of Al Shoula Sports Club players, ages (18-20) years-. cbej [Internet]. 2023 Jan. 19 [cited 2024 Jul. 2];14(53 ، 54 ،55):481-98. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9500