Harmut Albrecht books & textbook
Rural Development Series, Agricultural Extension, Volume 2, Examples and Background Material
Harmut Albrecht Herbert Bergmann Georg Diederich Eberhard Grober Volker Hoffmann Peter Keller Gerhard Payr Rolf Sulzer Peter C Brown Terence Oliver Volker Hoffmann
GTZ /1990T Paperback
isbn-10: 388085405X / isbn-13: 9783880854055
