TY  - BOOK
AU  - Sayadyan,G.
ED  - National Polytechnic University of Armenia
TI  - English: for design students 
SN  - 978-9939-72-938-1
PY  - 2020///
CY  - Yerevan
PB  - Chartaraget
KW  - English language
KW  - Handbook
N1  - Includes bibliographical references
ER  -