00576naa#a2200193#i#450# EN\INFRA-M\bibl\1535 20240914212207.6 1998-0728 20140217b2014####ek#y0engy0150####ca RUS RU Preparation of 5–7 years children for school: world around and mathematics Journal article Moscow INFRA-M Academic Publishing LLC. 2014 6 с. Journal article local Tselishcheva Irina Rumyantseva Irina Bolshakova Mariya naukaru.ru