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Dyfyniad Arddull ChicagoBergen, S. A. R&D Management: Managing Projects and New Products. New rev. ed. Oxford, UK ; Cambridge, Mass., USA: B. Blackwell, 1990.
Dyfyniad MLABergen, S. A. R&D Management: Managing Projects and New Products. New rev. ed. B. Blackwell, 1990.
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