00460naa#a2200169#i#450# EN\INFRA-M\bibl\3859 20260125005827.7 2306-1731 20140910b2014####ek#y0engy0150####ca RUS RU Health Saving Technologies in Education Journal article Moscow INFRA-M Academic Publishing LLC. 2014 1 с. Journal article local Merkulova N. zh-szf.ru