TY  - BOOK
AU  - Chinnappa,B.
TI  - Economics of Energy Use in Cropping Systems
SN  - 978-93-80428-41-3
AV  - 333.7/CHI 4
U1  - 333.7/CHI 1
PY  - 2012///
CY  - New Delhi
PB  - Narendra Publishing House
ER  -