Ahmed Saeed, Taiseer, et al. “The Effect of Various Aerobic Exercises on the Endurance and Some Physiological Variables Among Fitness Training Practitioners of at (30-35) Years Old”. International Journal of Psychosocial Rehabilitation, vol. 24, no. 3, May 2020, pp. 6083-6, https://doi.org/10.61841/9pw2k090.