محمود بهاء الدين محمود جمعة بهاء. ""The effect of a training program with a variety of resistance methods on the level of physical and physiological competence and the Record level of lifeguards"", مجلة بني سويف لعلوم التربية البدنية والرياضية, 7, 17, 2024, -. doi: 10.21608/obsa.2024.318193.1684