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Dyfyniad Arddull ChicagoSmith, Gordon V Parr. Valuation of Intellectual Property and Intangible Assets. ed. 3. New York: John Wiley, 2002.
Dyfyniad MLASmith, Gordon V Parr. Valuation of Intellectual Property and Intangible Assets. ed. 3. John Wiley, 2002.
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