00510naa#a2200169#i#450# EN\INFRA-M\bibl\168 20241016093013.3 2306-1731 20130305b2013####ek#y0engy0150####ca RUS RU Teacher’s self-education as necessary condition of his professional activity Journal article Moscow INFRA-M Academic Publishing LLC. 2013 0 с. Journal article local Yulina Galina Nikolaevna naukaru.ru