Thamir A. An Analytical Study Of Some Kinematical Variables Affecting The Start Of Backstroke Comparison Between National Iraqi Swimmers and An International Swimmer. jope [Internet]. 2010 Sep. 28 [cited 2024 May 13];22(3):75. Available from: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1551