TY  - BOOK
AU  - Kothari, C.R..
TI  - Introduction to Operational Research / 
SN  - 0-7069-6419-5
U1  - BTT 
PY  - 1990///
CY  - New Delhi : 
PB  - Vikas Publishing House Pvt. Ltd. , 
KW  - Operational Research
ER  -