Tommy, Carolyne Alphonsus, Jacey-Lynn Minoi, and Chin Saw Sian. 2017. “Game Usability Heuristics Evaluation Approach for Speech Therapy Mobile Application Games”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9 (3-11):93-97. https://jtec.utem.edu.my/jtec/article/view/3190.