TY  - BOOK
AU  - Chinnappa, B.
AU  - Murthy, C.V. Venkatesh
TI  - Economics of energy use in cropping systems
SN  - 9789380428413
PY  - 2012///
CY  - Delhi
PB  - Narendra Publishing House
KW  - cropping
KW  - Economics
KW  - energy
KW  - systems
KW  - use
ER  -