Ferreira, Rosária, Demétrio Matos, Vítor Carvalho, and Filomena Soares. “A Platform Toy for Children With Special Educational Needs”. Journal of Accessibility and Design for All 12, no. 1 (May 31, 2022): 1–25. Accessed November 8, 2024. http://jacces.catac.upc.edu/index.php/jacces/article/view/250.