00486naa#a2200169#i#450# EN\INFRA-M\bibl\1661 20241019105907.6 1998-0744 20140210b2014####ek#y0engy0150####ca RUS RU How to Develop Multiform Geometric Vision in Schoolchildren Journal article Moscow INFRA-M Academic Publishing LLC. 2014 8 с. Journal article local Visitaeva Maret B. naukaru.ru