?url_ver=Z39.88-2004&rft_id=3033&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Sudarko&rft.au=Sudarko%2C+Rumpis+Agus&rft.aufirst=Rumpis+Agus&rft.issn=978-602-8429-26-9&rft.title=Proceeding+International+Conference+On+Sport+Yogyakarta&rft.atitle=THE+INFLUENCE+OF+BREATHING+EXERCISE+TOWARD+FEV+1+AND+KVP+AMONG+THE+JUNIOR+HIGH+SCHOOL+STUDENTS+IN+YOGYAKARTA&rft.genre=article