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Browsing by Author "Haarhoff, P.C."

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Browsing by Author "Haarhoff, P.C."

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  • Haarhoff, P.C. (University of Pretoria, 1983-10-27)
    The first technological revolution, in the fourth millennium BC, was followed by immense social progress. The second revolution, which is now taking place, could lead to an even greater development in the human sciences, ...