Nathan, Shelena Soosay, Azham Hussain, Nor Laily Hashim, Mohd Adan Omar, Ashok Sivaji, Ngip Khean Chuan, and Shi Tzuaan Soo. “Empirical Validation of Evaluation Model for Deaf People on Mobile Applications”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9, no. 2-11 (September 15, 2017): 105–108. Accessed July 7, 2022. https://jtec.utem.edu.my/jtec/article/view/2746.