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  1. 1

    Improving the transfer and use of agricultural information technology a guide to information technology. по Zijp, Willem

    Опубликовано 1994
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    Improving the transfer and use of agricultural information technology a guide to information technology.
  2. 2

    The Villager and his system of renewable natural resource use in an agro-forestry village in the Philippines

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    The Villager and his system of renewable natural resource use in an agro-forestry village in the Philippines

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