Gerstenfeld, A. (1979). Technological innovation: Government, industry, cooperation. New York: John Wiley & Sons.
Dyfyniad Arddull ChicagoGerstenfeld, Arthur. Technological Innovation: Government, Industry, Cooperation. New York: John Wiley & Sons, 1979.
Dyfyniad MLAGerstenfeld, Arthur. Technological Innovation: Government, Industry, Cooperation. New York: John Wiley & Sons, 1979.
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