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  1. 1

    Evaluating technology for new farming systems case studies from Philippine rice farms 由 Barlow, C.

    出版 1983
    圖書

    Evaluating technology for new farming systems case studies from Philippine rice farms
  2. 2

    Changes in cropping systems Cale, Tanauan, Batangas, 1973-1977 由 Frio, A.L

    出版 1979
    圖書

    Changes in cropping systems Cale, Tanauan, Batangas, 1973-1977

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