1. Effective management of agricultural knowledge systems — An analytical approach;Blum,1989
2. Continuity and flexibility in agricultural training courses — With special attention to “Daily and Extension” courses;Blum,1986
3. Agricultural and extension courses for trainees in Israel — A longitudinal and action research evaluation system;Blum;Journal of Extension Systems,1988
4. Evaluation of international training programmes;Dubbeldam,1987
5. Thailand Country Evaluation Report;Laufer,1984