TY  - BOOK
AU  - Gupta, P K ,
AU  - Mohan, Man,
TI  - Operations research : : introductory text / 
SN  - 9788180545634
U1  - 001.424 
PY  - 2009///
CY  - New Delhi
PB  - Sultan Chand & Sons
KW  - Knowledge
ER  -