Lau Kum Hoe, Syariffanor Hisham, and Noor Azilah Draman @ Muda. “Assessing Usability and Fun of Speech Articulation Training for Children With Down Syndrome”. Journal of Network and Innovative Computing 3 (January 1, 2015): 9. Accessed September 8, 2026. https://nwpub-jnic.org/index.php/jnic/article/view/87.