Wang, Shih-Yuan. “Applying the Superior Identification Group Linguistic Variable to Construct Kano Model Oriented Quality Function Deployment”. Technological and Economic Development of Economy 19, no. 1 (January 28, 2014): S304-S325. Accessed November 22, 2024. https://bme.vgtu.lt/index.php/TEDE/article/view/4332.