The economics of soil erosion : a model of farm decision-making
Derek Eaton
Bok Engelsk 1996
Utgitt | London : International Institute of Environment and Development , 1996
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Omfang | 39 s. : fig.
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Emner |
Utgitt | London : International Institute of Environment and Development , 1996
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---|---|
Omfang | 39 s. : fig.
|
Emner |