TY  - BOOK
T1  - Introduction to operations research
A1  - Hillier, Frederick S.
A1  - Lieberman, Gerald J.
LA  - English
PP  - San Francisco
PB  - Holden-Day
YR  - 1967
UL  - https://tuklas.up.edu.ph/Record/UP-99796217601592562
OP  - 639
CN  - T 57.6 H54
KW  - Operations research.
ER  -