00541naa#a2200181#i#450# EN\INFRA-M\bibl\12263 20240828005020.3 1998-0728 20160617b2016####ek#y0engy0150####ca RUS RU Educational Resource of Language and Math Contents Integration at Primary School’s Lessons Journal article Moscow INFRA-M Academic Publishing LLC. 2016 5 с. Journal article local Pavlova O. A. Biba A. naukaru.ru