4 treff

Development and agroforestry : scaling up the impacts of research : essays from Development in practice
edited by Steven Franzel ... [et al.]
Bok Engelsk 2002
Trees on the farm : assessing the adoption potential of agroforestry practices in Africa /
edited by S. Franzel, S.J. Scherr
Bok Engelsk 2002
Choosing the right trees : setting priorities for multipurpose tree improvement
Steven Franzel, Hannah Jaenicke, Willem J...
Bok Engelsk 1996
Research with farmers : lessons from Ethiopia
edited by Steven Franzel and Helen van Ho...
Bok Engelsk 1992