TY  - BOOK
AU  - AARYA R.L
AU  -  RAY Brajesh
TI  - Principles of crop production and crops
SN  - 9788180695469
U1  - "X9(J):2.2P, P9" 
PY  - 2009///
CY  - New
PB  - "Delhi, Concept Publishing Company,    "
ER  -