BETZ, F. (1987). Managing Technology Competing Trough New Ventures, Innovation And Corporate Research Frederick Betz. Prentice Hall.
Chicago-viite (17. p.)BETZ, Frederick. Managing Technology Competing Trough New Ventures, Innovation And Corporate Research Frederick Betz. Prentice Hall, 1987.
MLA-viite (8. p.)BETZ, Frederick. Managing Technology Competing Trough New Ventures, Innovation And Corporate Research Frederick Betz. Prentice Hall, 1987.
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