Radhouane, Bentoumia, Dif Haroune, Bengoua Ali, Boumediene Kada, and ChaChou Seddaoui. 2023. “Development of Some Aerobic and Anaerobic Indicators in under-21 Footballers Using Hypoxic Training Mask During the Physical Preparation Period”. SPORT TK-EuroAmerican Journal of Sport Sciences 12 (May):20. https://doi.org/10.6018/sportk.571691.