Bullinger, A. C. (2009). Innovation and Ontologies: Structuring the Early Stages of Innovation Management. Gabler. https://doi.org/10.1007/978-3-8349-9920-7
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBullinger, Angelika C. Innovation and Ontologies: Structuring the Early Stages of Innovation Management. Wiesbaden: Gabler, 2009. https://doi.org/10.1007/978-3-8349-9920-7.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBullinger, Angelika C. Innovation and Ontologies: Structuring the Early Stages of Innovation Management. Gabler, 2009. https://doi.org/10.1007/978-3-8349-9920-7.
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