Mai Ali Aziz, Raheem Roaeh Habib, and Ahmed Mohamed Ismail. 2019. “Effect of Lactic Acid Endurance Exercises in Special Tolerances, Lactic Acid Concentration and 5000-Meter Running Performance”. Modern Sport 18 (2): 313-24. https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1592.