Haller, J. (2013). Open evaluation: Integrating users into the selection of new product ideas. Springer Fachmedien Wiesbaden.
Chicago Style (17. basım) AtıfHaller, Jorg. Open Evaluation: Integrating Users into the Selection of New Product Ideas. Wiesbaden: Springer Fachmedien Wiesbaden, 2013.
MLA (8th ed.) AtıfHaller, Jorg. Open Evaluation: Integrating Users into the Selection of New Product Ideas. Springer Fachmedien Wiesbaden, 2013.
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