TY  - BOOK
AU  - Diwan, Romesh,
TI  - Productivity and Technical Change in Food Grains
U1  - 338.14 
PY  - 1986///
CY  - New Delhi
PB  - Tata McGraw Hill Pub.
KW  - Productivity Change in Food Grains
KW  - Technical Change in Food Grains
ER  -