TY  - BOOK
AU  - Goldsworthy Peter
AU  - Devries Frits Penning
AU  - Goldsworthy Peter
TI  - Opportunities, use and transfer of systems reserch methods in agriculture devlopment countries . Proceeding of an International work shop on systems countries,22-24 November 1993, ISNAR, The Hague
U1  - 630.72 
PY  - 1994///
CY  - Netherland
PB  - Kluwer Academic Publishers
ER  -