Search Results - de Vries, Frits Penning

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    Opportunities, Use and Transfer of Systems Research Methods in Agriculture to Developing Countries by Goldsworthy, Peter, de Vries, Frits Penning

    Published 1994
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    Libro
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    The Use of Systems Methods by NARS for Addressing Natural Resource Issues by Goldsworthy, Peter, de Vries, Frits Penning, van Dongen, Jan

    Published 1994
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    Brief
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    The Use of Systems Methods in International Agricultural Research Centers by Goldsworthy, Peter, de Vries, Frits Penning, van Dongen, Jan

    Published 1994
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    Brief

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