TY  - BOOK
AU  - Gupta,P.K.
AU  - Mohan,Man
TI  - Operations research and statistical analysis
U1  - 333.8 
PY  - 1980/// [reprinted 1991]
CY  - New Delhi
PB  - Sultan Chand & Sons
KW  - Operations research
KW  - System analysis
ER  -