TY  - BOOK
AU  - Sita Ram Singh
TI  - Technological parameters in agricultural production function
U1  - 338.1 
PY  - 1986///
CY  - New Delhi
PB  - Ashish publishing House
N1  - Sita Ram Singh: Technological parameters in agricultural production function.  New Delhi.  Ashish publishing House, 1986.--(338.1SIN)
ER  -