TY  - BOOK
AU  - Swarup, kanti .
AU  - Gupta., P.K. .
AU  - Mohan, Man .
TI  - Operations Research
U1  - 311.2 
PY  - 1977///
CY  - New Delhi
PB  - Sulatn Chand & sons
KW  - Operations Research-Statistics
KW  - T-Statistics
ER  -