Rahim AH, Jalil SQN, Khudhair MS. The Effect of Training According to the Target Time on Speed Endurance and Digital Achievement of 400 M Freestyle Runners for the Youth Category. AJSHR [Internet]. 2024 Apr. 8 [cited 2024 May 18];5(4):1-12. Available from: https://globalresearchnetwork.us/index.php/ajshr/article/view/2738