Refine Your Search
Book List
1
-
A conceptual method for the assessment of information needs in agricultural extension agencies of less developed countries : an empirical study on Ethiopia / Samuel Gebre-Selassie.
- Rheinische Friedrich-Wilhelms-Universität Bonn. Institut für landwirtschaftliche Betriebslehre (ILB),
- cop. 1999.
- Bonn :