Time motion differences between romanian and polish high level young soccer players during 6 vs. 6 small sided games as an effect of training program - Jastrzebski, Z.; Radziminski, L.; Stefaniak, A.; Dragos, P.; Dumitrescu, G.; Stepien, P.; Mrozik, L. (Central European Journal of Sport Sciences and Medicine, 2015)
Keywords: soccer; physical conditioning ability; speed; Poland; Romania; heart rate; training; male; training effect; training programme; junior elite sport; training science; sport games; junior sports