Mizuyama, Hajime, and Kenichi Ishida. 2013. “Systematic Decision Making Process for Identifying the Contradictions to Be Tackled by TRIZ to Accomplish Product Innovation”. Journal of Automation, Mobile Robotics and Intelligent Systems 1 (4): 21-29. https://jamris.d.tomp.pl/index.php/JAMRIS/article/view/407.