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A baseline survey for the identification of farming systems in Zanzibar
Wirth, Frigga (contributor) - 1988 - 1. Aufl
Persistent link: https://www.econbiz.de/10000788168
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Shifting cultivation in West Pasaman, Sumatra : Dengan ringkasan dalam Bahasa Indonesia
Balzer, Geert (contributor) - 1987
Persistent link: https://www.econbiz.de/10000735636
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Shifting cultivation in West Pasaman, Sumatra : dengan ringkasan dalam bahasa Indonesia
Balzer, Geert (ed.); Deipenbrock, Norbert (contributor);  … - 1987 - 1. Aufl.
Persistent link: https://www.econbiz.de/10013382654
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Proposals for farming systems oriented crop research of Wawi Highland Agricultural Research Station in Northern Thailand : (with a summary in Thai)
Schubert, Bernd (ed.) - 1986 - 1. Aufl
Persistent link: https://www.econbiz.de/10013382670