1. Cooper, R. G.; Winning at New Products, Creating Value through Innovation, 4th ed., p. 104, Basic Books, New York, U.S.A. (2011)
2. Eguchi, H. and D. O’Donovan; “Effect of a Change in Personnel on the Quantitative Evaluation of Human Skills in the Chemical Industry,” J. Chem. Eng. Japan, 44, 32–36 (2011)
3. Kataoka, K.; “Mission of Chemical Engineering and the Role of SCEJ in the 21st Century World,” J. Chem. Eng. Japan, 34, 293–298 (2001)
4. Kline, S. J. and B. Shigihara; Innovation Styles in Japan and The United States, pp. 18–22, Agune-Shofu-Sha, Tokyo, Japan (1992)
5. Kline, S. J. and N. Rosenberg; An Overview of Innovation in The Positive Sum Strategy: Harnessing Technology for Economic Growth, pp. 275–303, National Academy of Sciences Press, Washington, D.C., U.S.A. (1986)