Ferraz, Andreia de Melo Costa, and Carla Salati Almeida Ghirello-Pires. 2022. “Linguistic Problems Caused by Anatomical Alterations of the Hard Palate of Speakers With Down Syndrome”. International Journal of Advanced Engineering Research and Science 9 (3). https://journal-repository.com/index.php/ijaers/article/view/4843.