Feldman, L P.(1984). Principles vs. Practice in New Product Planning. Journal of Product Innovation Management, 1(1), 43-55. doi:10.1111/1540-5885.110043
MLA CitationFeldman, Laurence P. "Principles Vs. Practice in New Product Planning". Journal of Product Innovation Management, 1.1 ( 1984 ): 43-55.
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