TY  - GEN
AU  - D., Bijulal
TI  - Operations Research: Concepts, Problems & Solutions 
SN  - 9789394883000 (hbk)
U1  - 001.4 
PY  - 2023///
CY  - Darya Ganj
PB  - Ane Books
KW  - Operation Research
ER  -