TY  - BOOK
AU  - Chawla K K
AU  - Gupta Vijay Sharma Bhushan K
TI  - Operational Research
SN  - 9788127263485
U1  - 658.4034 CHA 
PY  - 2010///
CY  - Ludhiana
PB  - Kalyani Publishers
KW  - Chawla K K
KW  - Operational Research
ER  -