TY  - BOOK
AU  - HILLIER, F. S. & LIEBERMAN, G. J.
TI  - Introduction to operations research 
SN  - 9781260575873 - PB
PY  - 2021///
CY  - New York
PB  - McGraw-Hill Education
KW  - 1. Operations research
KW  - 2. Operations research -- Mathematics
ER  -