Practical English Course for the Students of National Sciences / 
H. Ghazaryan; State Engineering University of Armenia (Polytechnic). 
 - Yerevan :  Chartaraget ,  2014. 
 - 152 p. 
<br/><br/><label>ISBN: </label>9789939721026 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English--Manual for the Undergraduate Students of National Sciences