Invisible enemies von Norman, David W.

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Farming systems in the Nigerian savanna research and strategies for development von Norman, David W., Simmons, Emmy Bartz, Hays, Henry M.

Inhaltsverzeichnis

Technical change and the small farmer in Hausaland, Northern Nigeria von Norman, David W., Pryor, David H., Gibbs, Christopher J.

La méthode de recherches sur les systèmes d'exploitation agricole son applicabilité au petit exploitant von Norman, David W.

Technical change and the small farmer in Hausaland, Northern Nigeria von Norman, David W., Pryor, David H., Gibbs, Christopher J.

Methodology and problems of farm management investigations experiences from Northern Nigeria von Norman, David W.

Methodology and problems of farm management investigations Experiences from Northern Nigeria von Norman, David W.

Economic analysis of beef cattle prices in the United States and Oregon von Norman, David W., Korzan, Gerald E., Edwards, John A.

Primary colors for the Fourth World the nonfigurative sovereignty of Synnøve Persen and Frederik "Kunngi" Kristensen von Norman, David W.

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The farmer in the Semi-Arid Tropics of West Africa a partially annotated bibliography von Ouedraogo, Ismael, Newman, Mark D., Norman, David W.

Les recherches sur les systemes d' exploitation agricole une evaluation critique von Gilbert, Elon H., Norman, David W., Winch, Fred E.

An economic survey of three villages in Zaria Province von Norman, David W.

An economic survey of three villages in Zaria Province von Norman, David W.

An economic study of three villages in Zaria Province von Norman, David W.

Mixes signals [Rezension von: The new monuments and the end of man : U.S. sculpture between war and peace, 1945-1975 / Robert Slifkin. - 2019 // Energies in the arts / Douglas Kahn... von Norman, David W.

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Farm and village production systems in the semi-arid tropics of West Africa: An interpretive review of research an interpretive review of research von Norman, David W., Newman, Mark D., Ouedraogo, Ismael

L'evoluation technique et le petit cultivateur en pays Haoussa, au nord du Nigeria von Norman, David W.

Economic analysis of agricultural production and labour utilization among the Hausa in the North of Nigeria von Norman, David W.

An economic survey of three villages in Zaria Province von Norman, David W.

An economic study of three villages in Zaria Province von Norman, David W.