00506naa#a2200169#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200010700109210005100216215001000267608002700277700001800304856001400322EN\INFRA-M\bibl\1307420251217111440.3##a1998-0728##a20160817b2016####ek#y0engy0150####ca0#aRUS##aRU1#aFactors of Development of Primary Education and Their Measurement Methods in the WesteJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2016##a8 с.##aJournal article2local#1aPisarevagL. 4#azh-szf.ru