TY  - BOOK
AU  - Khachatryan,S.
AU  - Badadyan,M.
ED  - Ministry of Education and Science of RA
ED  - State Engineering University of Armenia (Polytechnic)
TI  - English in practice: (A manual) 
SN  - 9789939550978
PY  - 2008///
CY  - Yerevan
PB  - Chartaraget
KW  - English =Անգլերեն
KW  - Manual
ER  -