TY  - BOOK
AU  -  Hillier,Frederick S  .
AU  - Lieberman,Gerald J.
TI  - Introduction to operations research / 
U1  - 511.8 
PY  - 2001///
CY  - New Delhi : 
PB  - Tata Mc Graw Hill Publishing Company , 
KW  - Operations research
ER  -