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1Published 1990Subjects: “...Technology and civilization....”
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6Published 1990Subjects: “...Technology and state United States....”
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11Published 1980Subjects: “...Technology Social aspects Drama....”
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12Published 1985Subjects: “...Technology Social aspects Sri Lanka....”
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13Published 1987Subjects: “...Educational technology....”
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16Published 2001Subjects: “...National Center for Asphalt Technology (U.S.) History....”
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17Published 1988Subjects: “...Technology and civilization....”
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20Published 1987Subjects: “...Technology Social aspects United States....”
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