TY  - BOOK
AU  - Gupta, P. K.
ED  - Hira, D. S.
TI  - Operations Research
SN  - 978-81-219-0281-6
U1  - 658.403505 
PY  - 2022///
CY  - New Delhi
PB  - S. Chand and Co.
KW  - Mathematics
ER  -