Livestock, nutrient cycling and sustainable agriculture in the West African Sahel
J.M. Powell and T.O. Williams
Bok Engelsk 1993 J. M. Powell
Utgitt | London : International Institute for Environment and Development , 1993
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Omfang | 15 s. : fig.
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Utgitt | London : International Institute for Environment and Development , 1993
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Omfang | 15 s. : fig.
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