SABEEH KAREEM, W. (2020) “The effect ofintensity of speed competitionexercises in the heavy competence speed in the ascending hierarchical method in developing some physical abilities and the achievement of 100 m running competition under the age of 20”, International Journal of Psychosocial Rehabilitation, 24(2), pp. 7291–7297. doi:10.61841/yg9vt105.