40 Principles: TRIZ Keys to Innovation Extended Edition by Lev Shulyak, Genrich Altshuller
40 Principles: TRIZ Keys to Innovation Extended Edition
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Lev Shulyak, Genrich Altshuller
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40 Principles: TRIZ Keys to Innovation Extended Edition

Lev Shulyak, Genrich Altshuller

135 pages • first pub 1997 (editions)

nonfiction business science informative inspiring medium-paced
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