TY  - BOOK
AU  - Frederick S. Hillier
AU  - Gerald J. Lieberman
TI  - Introduction to operations research
SN  - 9781260575873
U1  - Grad 001.424  
PY  - 2021///
CY  - New York
PB  - Mc-Graw Hill Education, 
KW  - Operations research
N1  - Includes references and index
ER  -