TY  - BOOK
AU  - Gupta, Prem Kumar
AU  - Hira, D.S.
TI  - Operations research
SN  - 9788121902816
U1  - 003 
PY  - 2014///(repr.)
CY  - New Delhi
PB  - S. Chand
N1  - Includes bibliographical references and index; Supply received revised price Rs. 850.00
ER  -