TY  - BOOK
AU  - Hillier,Frederick S.
AU  -  Lieberman,Gerald J.
AU  - Bodhibrata Nag
AU  - Preetam Basu
TI  - Introduction to operations research
SN  - 9789339221850
U1  - 658.4034 
PY  - 2018///
CY  - Chennai
PB  - McGraw Hill
KW  - Operations research
ER  -