SHULYAK, LEV books & textbook
40 Principles: TRIZ Keys to Technical Innovation (Triztools)
Genrich Altshuller Lev Shulyak Steven Rodman SHULYAK, LEV ALTSHULLER, GENRICH RODMAN, STEVEN
Technical Innovation Center, INC. /1998-01-24 Paperback / 141 Pages
isbn-10: 0964074036 / isbn-13: 9780964074033
40 Principles: TRIZ Keys to Innovation [Extended Edition]
Genrich Altshuller Dana W. Clarke Uri Fedoseev Steve Rodman Lev Shulyak Leonid Lerner
Technical Innovation Center, Inc. /2005-04-15 Paperback / 144 Pages
isbn-10: 0964074052 / isbn-13: 9780964074057
