Musin, O. A. .; Grigoryeva, E. L.; Zhemchug, Y. S. .; Lebedkina, M. V. .; Sokolov, V. V. . Developing Speed Among 10-11 Years Old Children Playing International Soccer in Additional Education Facilities. Rev. Invest. Univ. Quindío 2022, 34, 152-159.