م.م رسل سلام جابر م.م رسل سلام جابر. “The Effect of FIT20 Training on Developing Muscular Strength and Selected Physiological Variables in Gym Trainees Aged 30–35 Years”. Wasit Journal of Sports Sciences, vol. 29, no. 3, Sept. 2026, pp. 248-63, https://doi.org/10.31185/wjoss.1259.