00540naa#a2200169#i#450# EN\INFRA-M\bibl\3860 20250120202027.1 1998-0728 20150216b2015####ek#y0engy0150####ca RUS RU Primary School Pupil as a Subject of Learning Activities in the Process of Project Tasks Completing Journal article Moscow INFRA-M Academic Publishing LLC. 2015 7 с. Journal article local Aksyuchic Svetlana Aleksandrovna naukaru.ru