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دليل المستخدم
Reda، M. A. A. A. (2005). Use of Ratings Perceived Exertion and Heart Rate as an Indicator of Exercise Intwnsify During Agaded Intensity Tennis Cround Stroke. المجلة العلمية لعلوم التربية الرياضية، ع6 ، 1 - 20. مسترجع من http://search.mandumah.com/Record/1149381
Reda، Mubarak Abd Al-Reda Ali. "Use of Ratings Perceived Exertion and Heart Rate As an Indicator of Exercise Intwnsify During Agaded Intensity Tennis Cround Stroke." المجلة العلمية لعلوم التربية الرياضية ع6 (2005): 1 - 20. مسترجع من http://search.mandumah.com/Record/1149381