LAU KUM HOE; SYARIFFANOR HISHAM; NOOR AZILAH DRAMAN @ MUDA. Assessing Usability and Fun of Speech Articulation Training for Children with Down Syndrome. Journal of Network and Innovative Computing, [S. l.], v. 3, p. 9, 2015. Disponível em: https://cspub-jnic.org/index.php/jnic/article/view/87. Acesso em: 19 feb. 2025.