SOCIAL′NAYA OCENKA KACHESTVA I VOSTREBOVANNOST′ OBRAZOVANIYA 2-e izd., per. i dop. Uchebnik — Savinkov V. I., Baklanov P. A. ; Pod red. Osipova G.V. — 2026 — ISBN 978-5-534-11468-3 | Exlibrus