TY  - BOOK
AU  - Gupta, P. K.
TI  - Operations research 
SN  - 9789351611837
U1  - 658.4034 
PY  - 2022///
CY  - New Delhi
PB  - Sulltan Chand & Sons
KW  - Operation research - management
N1  - Includes index
ER  -