00600naa#a2200169#i#450# EN\AUS PUBLISHERS\bibl\5071 20250313104508.4 20210529b2021####ek#y0engy0150####ca RU JUSTIFICATION OF THE NEED TO CONCRETIZE THE WAYS OF MASTERING COMBINED ELEMENTS IN RHYTHMIC GYMNASTICS Conference article/thesis Melbourne AUS PUBLISHERS 2021 7 с. Conference article/thesis local Suprun Alexandra Alexandrovna Medvedeva Elena Nikolaevna Chebykina Ksenia Vladimirovna w-science.com