Hamidullah, Ahmed. “Alvartlk Impact Exercises in the Development of the Rated Speed and Its Relationship Balthdev of the Football Players of the Junior Ages (14-16 Years)”. Journal of Physical Education, vol. 23, no. 1, Mar. 2011, pp. 280-03, https://doi.org/10.37359/JOPE.V23(1)2011.491.