Rumyancevskie chteniya — 2020: materialy Mezhdunarodnoj nauchno-prakticheskoj konferencii: v 2 ch. — sost. Ivanova E.A. — 2020 — ISBN 978-5-7510-0792-8, 978-5-7510-0793-5 (ч. 1), 978-5-7510-0794-2 (ч. 2) | Exlibrus