00498naa#a2200169#i#450# EN\INFRA-M\bibl\8531 20250103215006.5 2500-3305 20160625b2016####ek#y0engy0150####ca RUS RU About the preparation for the lessons excursions in history teaching Journal article Moscow INFRA-M Academic Publishing LLC. 2016 0 с. Journal article local Martynenko Anastasiya zh-szf.ru