TY  - BOOK
AU  - Prem Kumar Gupta
AU  - D S Hira
TI  - Operations Research
SN  - 0000093013
U1  - 510 
PY  - 2012///
CY  - New Delhi
PB  - S Chand
KW  -  Research
KW  - Mathematics(510)
KW  - Operations
ER  -