Jämsä, L. (1994). The conditions required for inventions to achieve utilisation agreement. [Finnish Academy of Technology].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJämsä, Lasse. The Conditions Required for Inventions to Achieve Utilisation Agreement. Helsinki: [Finnish Academy of Technology], 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJämsä, Lasse. The Conditions Required for Inventions to Achieve Utilisation Agreement. [Finnish Academy of Technology], 1994.
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