00667naa#a2200181#i#450# EN\INFRA-M\bibl\37350 20240702225933.2 2500-3305 20200610b2020####ek#y0engy0150####ca RU Development of cognitive activity of primary school students in the learning process Journal article Moscow INFRA-M Academic Publishing LLC. 2020 3 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Gukasova Galina Rantikovna Smorodinova Irina Vladimirovna zh-szf.ru