00569naa#a2200169#i#450# EN\INFRA-M\bibl\41401 20240522180250.3 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. naukaru.ru