00650naa#a2200229#i#450# EN\\bibl\43371 20250705145441.6 2413-6522 20190325b2019####ek#y0engy0150####ca RUS RU Implementation of a differentiated approach when teaching swimming students Journal article Moscow Ltd Radomir-M+ 2019 6 с. Journal article local Психология. 15 RUS Velichko T I Markova. O A Tsyganenko O S Smirnov A G Nechushkin Y V radomir.editorum.ru