1. Group Size and Collective Action
2. ISNAR Research Report No. 9;Eponou T.,1996
3. Scaling up the benefits of agroforestry research: Lessons learned and research challenges
4. Agricultural Extension
5. Kaberia, B., Garforth, C., Franzel, S., Musyoka, M., Murithi, D. and Nyang'au, I.Results of questionnaire interviews. Presentation at the farmer-to-farmer research meeting. October29–302003. Chogoria, Kenya: Transit Hotel Chogoria Kenya.