Aleksic, D.     The examination of the effects of the basketball teaching of physical education on speed of 9-10 years old boys [Текст] / D. Aleksic, B. Mekic, S. Stankovic, L. Lilic // Olympic Sports and Sport for All. Sport, Stress, Adaptation : proceeding book of XVI International Scientific Congress and VI International Scientific Congress (17-19 May 2012 ) : extra issue of Sport and science / ed. staff: P. Gashev, D. Dasheva, S. Videnova ; National Sport Academy "Vassil Leski". — Sofia, 2012. — P. 292-296.