ORIGINAL RESEARCH
Market of additional education services in the business sphere
About authors
1 Federal State Budgetary Educational Institution of Higher Education (FSBEI HE) Ryazan State University named after S.A. Yesenin
2 Federal State Autonomous Educational Institution of Higher Education Russian National Research Medical University named after N. I. Pirogov of the Ministry of Health of Russia
Correspondence should be addressed: Karvitskaya G.V
ur.ude.usr.563@ayakstivrak.g
Received: 2020-09-02
Accepted: 2020-09-14
Published online: 2020-09-30