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  1. 1
    Work attitudes and organizational change /
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    Training and technology transfer course performance objectives manual (TT1-01)
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    出版 1990
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  3. 3
    Education for agricultural extension : a record of the proceedings of a symposium held at the University of New South Wales, under the auspices of the Australian Society of Animal Production (N.S.W. Branch) on 10th September 1969.
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    出版 1969
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    Methods of agricultural extension /
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    出版 1953
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