TY  - BOOK
AU  - Gupta,Prem Kumar
AU  - D.S.Hira
AU  - Kamboj, Aarti 
TI  - Introduction to operations research: for students to commerce,management,accountancy economics 
SN  - 8121941008
U1  - 003 
PY  - 2012///
CY  - New Delhi
PB  - S.Chand and Company
N1  - Includes index
ER  -