English manual for design students / 
Ministry of Education, Science, Culture and Sport of Armenia. National Polytechnic University of Armenia. Gyumri branch. 
 - Yerevan :  Chartaraget,  2022. 
 - 102 pages ;  20 cm. 
<br/><br/><label>ISBN: </label>9789939791104 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Handbooks