Upgrade Your Proficiency in English :  Textbook for University BA Students / 
Lili Karapetyan, Naira Martirosyan, Siranush Khandanyan, Gohar Harutyunyan ; Yerevan State University. 
 - 2nd edition 
 - Yerevan :  YSU Press,  2024. 
 - 216 p. ;  24 cm. 
 - 811.111(075.8) (NLA) .
<br/><br/><label>ISBN: </label>9785808426559 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Handbooks, manuals, etc.
<br/><br/><label>Universal Decimal Class. No.: </label>811.111(075.8) (NLA)