Akgul, M., and M. Koz. “Effect of High Intensity Interval Training under Hypoxic Conditions in a Normobaric Environment on Moderately Trained University students’ Antioxidant Status”. Physical Education of Students, vol. 23, no. 5, Oct. 2019, pp. 217-22, doi:10.15561/20755279.2019.0501.