TY  - BOOK
AU  - Hillier,Frederick S
AU  - Lieberman,Gerald J.
TI  - Introduction to operations research 
SN  - 0070473870 
U1  - 658.4034 
PY  - 1994///
CY  - New Delhi
PB  - Tata Mcgraw Hill
KW  - General management
ER  -