TY  - BOOK
AU  - Ruthenberg , Hans
AU  - Jahnke , Hans E
TI  - Innovation policy for small farmers in the topics : the economic of technical innovations for agricultural development 
SN  - 0198594879
U1  - 630 
PY  - 1985///
CY  - New York 
PB  - Oxford university press 
KW  - AGRICULTURAL
KW  - SMALL FARMES
ER  -