Falih, Asi. “Some Indicators Explosive Power and Speed of the Motor by the Upper Body and the Percentage of Their Contribution to the Completion of the Activities of Chucking Reconstruction 13-15 Years”. Journal of Physical Education, vol. 25, no. 4, Dec. 2013, pp. 80-105, https://doi.org/10.37359/JOPE.V25(4)2013.620.