00517naa#a2200169#i#450# EN\INFRA-M\bibl\4811 20241212000051.4 1998-1740 20141217b2014####ek#y0engy0150####ca RUS RU Research potential of schoolchildren in terms of universal educational activities Journal article Moscow INFRA-M Academic Publishing LLC. 2014 13 с. Journal article local Makotrova Galina Vasil'evna zh-szf.ru