TY  - BOOK
AU  - Birla Institute of Scientific Research Economic Research Division
TI  - Technological changes in agriculture; impact on productivity and employment
U1  - 631.002 M0 
PY  - 1980///
CY  - New Delhi
PB  - Vision Books
KW  - Agricultural labourers,Farm produce-scientific application,Agricultural extension work-programmed instruction
ER  -