TY  - BOOK
AU  - Wright, R. PATRICK
TI  - The standard encyclopedia of modern agriculture and rural economy vol1-12
SN  - 8130704005
AV  - S494.5.P75.S8 2006 
PY  - 2006///
CY  - New delhi
PB  - cosmro publication
KW  - Agricultural productivity encyvlopedia
ER  -