Sarmad, Ahmed     The feeling of the distance and time valuation and it is relation with the accuracy of passing the ball and shooting in football [Текст] / Ahmed Sarmad, Mulla Mohamed // 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. 654-658.