TY  - BOOK
AU  - Ghosh, Ranjan
AU  - Neogi, Chiranjib 
TI  - Theory & application of productivity and efficiency: econometric and DEA approach
SN  - 1403926697
U1  - 338.06 22
PY  - 2005///
CY  - Delhi
PB  - Macmillan
ER  -