00738naa#a2200205#i#450# EN\INFRA-M\bibl\44729 /en/manage/index 20250828001121.4 1998-0728 20210713b2021####ek#y0engy0150####ca RU The Use of Non-Standard Problems with Matches When Teaching Younger Schoolchildren Journal article Moscow INFRA-M Academic Publishing LLC. 2021 6 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Pavlova O. A. Surovceva A. O. Yakushkina Evgeniya Viktorovna fht.editorum.ru /en/manage/index