TY  - BOOK
AU  - GUPTA (Prem Kumar) and HIRA (D S).
TI  - Operations research. Ed 3
SN  - 81 219 0281 9
U1  - 001.424 GUPO 
PY  - 2002///
CY  - New Delhi.
PB  - S. Chand & Co. Ltd.
KW  - OR


ER  -