TY  - BOOK
AU  - Gupta, P.K. .
AU  - Hira, D.S. .
TI  - Operations Research: An Introduction
U1  - 311.2 
PY  - 1986///
CY  - New Delhi
PB  - S. Chand & Company
KW  - Statistics-Operations research
KW  - PG-Statistics
N1  - Index
ER  -