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  1. 1

    Technological development of agriculture in West Bengal since independence / Ray, Siddheswar, 1939-

    出版 1992
    圖書
  2. 2

    Facing Kirinyaga : a social history of forest commons in southern Mount Kenya / Castro, Alfonso Peter

    出版 1995
    圖書
  3. 3

    Designs on the land : agricultural research in Uganda 1890-1990 / Opio-Odongo, Joe Martin Aldo, 1946-

    出版 1992
    圖書
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