00545naa#a2200181#i#450# EN\INFRA-M\bibl\3257 20241201031714.7 1998-0728 20140815b2014####ek#y0engy0150####ca RUS RU Development of Critical Thinking of Pupils at Primary General Education Stage Journal article Moscow INFRA-M Academic Publishing LLC. 2014 8 с. Journal article local Lyugzaeva Svetlana Chiranova Olga Ivanovna zh-szf.ru