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  1. 1
    Soil and water conservation for productivity and environmental protection

    Soil and water conservation for productivity and environmental protection 著者: Troeh, Frederick R.

    出版事項 1980
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  2. 2
    Diet, nutrition and the prevention of chronic diseases : report of a Joint WHO/FAO Expert Consultation.

    Diet, nutrition and the prevention of chronic diseases : report of a Joint WHO/FAO Expert Consultation.

    出版事項 2003
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