00456naa#a2200169#i#450# EN\INFRA-M\bibl\166 20251220134654.6 2306-1731 20130305b2013####ek#y0engy0150####ca RUS RU Modern teacher and problem of his self-education Journal article Moscow INFRA-M Academic Publishing LLC. 2013 0 с. Journal article local naukaru.ru