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Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Anil Mital. Product Development: A Structured Approach to Consumer Product Development, Design, and Manufacture. Amster dam ; Boston, MA: Butterworth-Heinemann, An imprint of Elsevier, 2008.
Lua MLA (9ú heag.)ebrary, Inc, agus Anil Mital. Product Development: A Structured Approach to Consumer Product Development, Design, and Manufacture. Butterworth-Heinemann, An imprint of Elsevier, 2008.
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