S., Akmal, N. Hashim, Ruzy Haryati Hambali, and Haery ip Sihombing (2020) “Kano method for diagnosing attribute of product requirement to enhance customer satisfaction.”, International Journal of Advanced Science and Technology, 29(9s), pp. 6160 - 6170. Available at: https://sersc.org/journals/index.php/IJAST/article/view/19292 (Accessed: 29July2021).