Dependencies of speed abilities and physical development of children at the age of 6 – 7 years

ČILLÍK, Ivan - WILLWÉBER, Tomáš. Dependencies of speed abilities and physical development of children at the age of 6 – 7 years. In Journal of physical education & health : social perspective. - Opole : Opole University of Technology, 2017. ISSN 2084-6002, 2017, vol. 6, no. 9, pp. 5-11.