ROZBORIL, P., & ARGAJOVÁ, J. (2014). THE ACTIVITY, MOTIVATION AND PARTICIPATION OF THE BOYS AND GIRLS IN PHYSICAL AND SPORT EDUCATION CLASSES IN RELATION TO THE LEVEL OF SPATIAL AND MATERIAL CONDITIONS. Fiep Bulletin - Online, 83(3). Recuperado de https://www.fiepbulletin.net/fiepbulletin/article/view/4736