TY  - BOOK
AU  - Gupta, S.P
AU  - Gupta, P.k.
TI  - Quantitative techniques & operations research
SN  - 978-93-5161-182-0
U1  - 658.403 
PY  - 2022///
CY  - New Delhi
PB  - Sultan Chand & Sons
ER  -