00655naa#a2200181#i#4500001002200000005001700022011001400039100004100053102000700094200015100101210005100252215001000303608002700313675007300340700002300413700002200436856001500458EN\INFRA-M\bibl\4985120240811053210.7##a2306-1731##a20220425b2022####ek#y0engy0150####ca##aRU1#aOn the Development of a Project for a Unified Concept of Teaching the History of the Russian Cossacks in Educational InstitutionseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2022##a3 с.##aJournal article2local##aДемография. Социология. Статистика. 31#1aKolesnikovagM. E.#1aShapovalovgV. A.4#anaukaru.ru