ISBN 9780964074057 books & textbook
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
