Breakthrough thinking : why we must change the way we solve problems, and the seven principles to achieve this / Gerald Nadler and Shozo Hibino. Nadler, Gerald. Hibino, Shōzō, 1940- Problem solving. HD30.29 .N34 1990 658.403 20 NAB Rocklin, CA : Prima Pub. & Communications, c1990. c1990. 1990 Text xvii, 350 p. : eng