Ahmed A. Related to the level of some of the physical abilities and skill in choosing the starting method and level of achievement of swimming 50 meters freestyle. jope [Internet]. 2014 Sep. 28 [cited 2026 Jul. 3];26(3):53-67. Available from: https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/257