Lev Shulyak
Lev Shulyak has written at least 1 book. Their most popular book is And Suddenly the Inventor Appeared: TRIZ, the Theory of Inventive Problem Solving with 1 save with an average rating of -⭐.
Lev Shulyak has written at least 1 book. Their most popular book is And Suddenly the Inventor Appeared: TRIZ, the Theory of Inventive Problem Solving with 1 save with an average rating of -⭐.
1987 • 1 Reader • 192 pages