TY  - BOOK
AU  - Gupta,Prem Kumar
AU  - Hira, D.S. 
TI  - Problems in operations Research
SN  - 9788121909686
U1  - 003 21
PY  - 1987///
CY  - New Delhi
PB  - Sultan Chand & Sons Educational Publishers
KW  - Operations research
KW  - Problems, exercises, etc
ER  -