Akmal, S., Hashim, N., Norizan, A. and Yahaya, S. H. (2017) “The Improvised Design of Headphone using Integrated Kano and Importance-Performance Analysis for Enhancing Customer Satisfaction”, Journal of Advanced Manufacturing Technology (JAMT), 11(1(1), pp. 1-14. Available at: https://jamt.utem.edu.my/jamt/article/view/2825 (Accessed: 20April2021).