Versions - Appropriate technology

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    Appropriate technology technology with a human face

    Appropriate technology technology with a human face by Dunn, P. D. (Peter D.), 1927-

    Published 1979
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  2. 2
    Appropriate technology technology with a human face

    Appropriate technology technology with a human face by Dunn, P. D. (Peter D.), 1927-

    Published 1978
    Book

    Save to List
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