TY  - BOOK
AU  - Evenson Robert Ed.
AU  -  Pingali Prabhu Ed.
TI  - Handbook of agricultural economics (Vol. 4)
T2  - Handbooks in economics
U1  - X9(J), Q0 
PY  - 2010///
CY  - Amsterdam
PB  - Elsevier          
KW  - Business Economics
ER  -