00560naa#a2200181#i#450# EN\INFRA-M\bibl\13074 /en/manage/index 20241212191109.4 1998-0728 20160817b2016####ek#y0engy0150####ca RUS RU Factors of Development of Primary Education and Their Measurement Methods in the West Journal article Moscow INFRA-M Academic Publishing LLC. 2016 8 с. Journal article local Pisareva L. test.editorum.ru /en/manage/index