TY  - BOOK
AU  - Ghazaryan,H.Z.
TI  - English for machine building and machine science students: academic manual 
SN  - 9789939729039
PY  - 2020///
CY  - Yerevan
PB  - Chartaraget, 
KW  - English language
KW  - Handbooks, manuals, etc
ER  -