00556naa#a2200169#i#450# EN\INFRA-M\bibl\91326 20241223053413.1 2500-3305 20241025b2024####ek#y0engy0150####ca RU About the educational and methodical manual "Introduction to the profession of an elementary school teacher» Journal article Moscow INFRA-M Academic Publishing LLC. 2024 2 с. Journal article local Лекции. 378.147.31 Chechetkin Yu. V. zh-szf.ru