00623naa#a2200169#i#450# EN\INFRA-M\bibl\43583 20240704124756.4 2306-1731 20210421b2021####ek#y0engy0150####ca RU Types and Classification of "Technical Knowledge" As a First Stage of Structuring Educational Information of Electric Power Disciplines Journal article Moscow INFRA-M Academic Publishing LLC. 2021 4 с. Journal article local Статистика. Демография. Социология. 31 Rogulina M. R. zh-szf.ru