Polnigongit W, Chanwimalueng W, Fitzgerald S. The Development of a Fuzzy Model and Usability Test of a Recommended Interface Design for Mobile Phones for Elderly Users. Int. J. Interact. Mob. Technol. [Internet]. 2023 Jan. 25 [cited 2024 Aug. 17];17(02):pp. 118-136. Available from: https://online-journals.org/index.php/i-jim/article/view/33877