TY  - BOOK
AU  - Gupta,Prem Kumar
AU  - Hira,D.S
TI  - Opeartions research
SN  - 81-219-0281-9
U1  - 658 
PY  - 2012///
CY  - New Delhi
PB  - S.Chand Publishing
KW  - UNIVESITY BUSNIESS SCHOOL
ER  -