Khalid, Ghezwan, and Ghasan Adeeb. “A Comparative Study According to Angiotensin Genetic Diversity As Indicator for 30m Freestyle Swimming in Youth Aged (15 – 16) Year Old”. Journal of Physical Education, vol. 33, no. 2, June 2021, pp. 31-38, https://doi.org/10.37359/JOPE.V33(2)2021.1139.