geead, Qahtan Hamza, and Asaad Adnan Aziz Al-Safi. 2021. “(The Effect of Fluid Replacement When Performing Physical Effort on Some Functional Variables of the Resonance Angiotensin System (RAS) and the Change in Body Temperature for Volleyball Players in Hot Climates)”. Kufa Journal of Physical Education Sciences 1 (4): 36-54. https://journal.uokufa.edu.iq/index.php/kjpes/article/view/15428.