00539naa#a2200169#i#450# EN\INFRA-M\bibl\46112 20240915202116.7 2306-1731 20211007b2021####ek#y0engy0150####ca RU Collective Teaching Methods in Liberal Arts Education Journal article Moscow INFRA-M Academic Publishing LLC. 2021 5 с. Journal article local Статистика. Демография. Социология. 31 Sizyh I. S. naukaru.ru