Yazar
jon r moris
19 cilt bulundu.
Cilt sonuçları
Agriculture Science for Tanzanian Secondary Schools
P. Vernon Armbrester, Newton Moore Baughman, Jon R. Moris · Yayınevi bilinmiyor
142 sayfa · 1969
Agriculture
African Irrigation Overview
Jon R. Moris, Derrick J. Thom · Yayınevi bilinmiyor
680 sayfa · 1987
Agricultural development projects
African Irrigation: an Overview
Jon R. Moris, Derrick J. Thom · Yayınevi bilinmiyor
302 sayfa · 1985
Agricultural development projects
What Do We Know about African Agricultural Development?
Jon R. Moris, United States. Agency for International Development. Bureau for Science and Technology · Yayınevi bilinmiyor
123 sayfa · 1983
Agricultural development projects
Multi-subject Farm Surveys Reconsidered
Jon R. Moris, East African Agricultural Economics Society. Conference · Yayınevi bilinmiyor
31 sayfa · 1970
Agricultural surveys