For citations:

Ezhov D.A., Sirotkin M.S. Political Elite of Kaluga Region: Structure Analysis. . . . 136 Kopus T.L. Traditional and Mass Open Online Course “Business Communication”: Perspectives for Higher Education. Humanities and Social Sciences. Bulletin of the Financial University. 2022;12(5):136-142. (In Russ.) https://doi.org/10.26794/2226-7867-2022-12-5-136-142