00568naa#a2200169#i#450# EN\INFRA-M\bibl\41401 20241003035617.4 2306-627X 20210111b2021####ek#y0engy0150####ca RU On the Issue of Evaluating the Attractiveness of Elements of Mass Open Online Courses Journal article Moscow INFRA-M Academic Publishing LLC. 2021 6 с. Journal article local Экономика. Экономические науки. 33 Gerasimova V. G. zh-szf.ru