The Effect Of Breathing Exercises On Relation and Self – Talk On Developing Ambition Level According to VTS – Sport and Achievement in Long Distance Runners. jope [Internet]. 2019 Sep. 28 [cited 2024 Apr. 28];31(3):29-38. Available from: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/856