TY  - BOOK
AU  - Hillier,Frederick.S
AU  - Lieberman,Gerald.J
ED  - Nag,Bodhibrata
TI  - Introduction to operations research
SN  - 978-0-07-133346-7
U1  - 658.403 4 
PY  - 2012///
CY  - New Delhi
PB  - Tata McGrraw Hill
KW  - Operations research
ER  -