00587naa#a2200169#i#4500001002200000005001700022011001400039100004100053102000700094200010700101210005100208215001000259608002700269675008900296700001800385856001400403EN\INFRA-M\bibl\6989220260227161258.5##a2500-3305##a20230825b2023####ek#y0engy0150####ca##aRU1#aThe legacy of K.D. Ushinsky in modern technology of primary natural science educationeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2023##a5 с.##aJournal article2local##aПреподавание отдельных учебных предметов. 372.8#1aKozinagE. F.4#azh-szf.ru