TY  - BOOK
AU  - Gupta, Prem Kumar
AU  - Hira, D S
TI  - Operations Research
SN  - 8121902819
PY  - 2014///
PB  - S Chand & Co. Pvt. Ltd., New Delhi
KW  - Statistics
KW  - Statistics:Operations:Research:Competition Exam
ER  -