“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, vol. 14, no. 53 ، 54 ،55, pp. 481–498, Jan. 2023, doi: 10.35950/cbej.v14i53 ، 54 ،55.9500.