TY  - BOOK
AU  - Tiwari, R.K
TI  - Linear programming: _
SN  - 9789380350226
U1  - 519.72 
PY  - 2020///
CY  - New Delhi
PB  - Shree Publishers & Distributors
KW  - 
KW  - mathematical models
KW  - Linear programming
ER  -