English tests : for college students / A.Vardanyan, O. Ghazaryan, L Toroyan ; National Polytechnic University of Armenia. - Yerevan : Chartaraget, 2020. - 64 pages ; 20 cm. - 42-8 (NLA) . Includes bibliographical references ISBN: 978-9939-72-937-4 Subjects--Topical Terms: English language--Handbook Universal Decimal Class. No.: 42-8 (NLA)