TY  - BOOK
AU  - Hira, D. S.
AU  - Gupta, Prem Kumar
TI  - Problems in operations research: principles and solutions
SN  - 9788121909686
U1  - 003 
PY  - 1997///
CY  - New Delhi
PB  - S. Chand
KW  - Systems
KW  - Operations Research
N2  - 2001-03-27
ER  -