1. Jovanović R, Nikolovski D, Radulović O, Novak S. Influence of physical activity on nutritional status of preschool children. Med J. 2010; 47 (2): 62-68;
2. Mitić D, Stojiljković S. Fitness index and maximal oxygen uptake among people with active lifestyle in Serbia. 10th Annual congress "European College of Sport Science". Belgrade. Serbia. 2005; 370-371;
3. Ostojić S, Stojanović M, Stojanović V, Marić J, Njaradi N. Correlation between Fitness and Fatness in 6-14-year Old Serbian School Children. Journal of Health, Population & Nutrition. 2011; 1 (29): 53;
4. World Health Organization. "Global recommendations on physical activity for health", 2010;
5. Morrow JR, Jackson AW, Disch, JG, Mood DP. Measurement and Evaluation in Human Performance. Human Kinetics 2005; Champaign. IL;