TY  - BOOK
AU  - Ray,Ganesh Chandra, Hossain,Elias
AU  - x
TI  - Operation research: x
SN  - x
U1  - 658.4034/R263o 
PY  - 2007///
CY  - `Dhaka
PB  - Titas Pub.
KW  - Operations research
N1  - x
ER  -