00738naa#a2200205#i#450# EN\INFRA-M\bibl\45616 /en/manage/index 20250423090645.3 1998-0728 20210902b2021####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 3 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