The level of muscular system of secondary school pupils in relation to health

BENDÍKOVÁ, Elena et al. The level of muscular system of secondary school pupils in relation to health. In European journal of physical education and sport : scientific journal. - Soči : Academic Publishing House Researcher, 2015. ISSN 2310-0133, 2015, vol. 7, no. 1, pp. 9-16. Dostupné na internete: <http://ejournal7.com/journals_n/1426866411.pdf>