00498naa#a2200169#i#450# EN\INFRA-M\bibl\47429 20251226075254.5 2308-4898 20211209b2021####ek#y0engy0150####ca RU Introduction of Electronic Technology into Education Journal article Moscow INFRA-M Academic Publishing LLC. 2021 6 с. Journal article local Математика. 51 Damchaasuren H. zh-szf.ru