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Laurens van Veldhuizen
4 cilt bulundu.
Cilt sonuçları
Farmers' research in practice
Laurens van Veldhuizen · Intermediate Technology Publications
303 sayfa · 1997
Sustainable agriculture / Research / Agriculture, research
Linking with farmers
Bertus Haverkort, Laurens van Veldhuizen · Intermediate Technology Publications
298 sayfa · 1993
Agricultural information networks / Congresses / Agricultural innovations / Agriculture / Research
Developing technology with farmers
Laurens van Veldhuizen, Laurens Van Veldhuizen, Ann Waters-Bayer, Henk De Zeeuw, Laurens Van Veldhuzen · Distributed in the USA by St. Martin's Press
230 sayfa · 1997
Training of / Agricultural extension work / Agricultural extension workers / Farmers / Technology transfer