TY  - BOOK
AU  - Prem Kumar Gupta;Hira,D S
TI  - Operations Research
U1  - R 511 PRE-O 
PY  - 2009///
CY  - New Delhi
PB  - S Chand And Company ( Pvt) Ltd
KW  - General Principles Of Mathematics
KW  - Mathematics
ER  -