TY  - BOOK
AU  - Hillier, Frederick S.
AU  - Lieberman, Gerald J.
TI  - Introduction to Operations Research: Concepts and Cases
SN  - 9780070600928
U1  - 658.4032 
PY  - 2005///
CY  - New Delhi
PB  - Tata McGraw Hill education Private Limited.
ER  -