?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Griban%2C+G.&rft.aulast=Griban&rft.aufirst=G.&rft.issue=9(12)&rft.date=2020&rft.issn=2322-3537&rft.atitle=Influence+of+physical+education+classes+on+the+level+of+health+and+fitness+competencies+of+students&rft.title=International+Journal+of+Applied+Exercise+Physiology&rft.pages=107-118&rft.genre=article