Ayyıldız E, Akçin N, Güven Y. Development of Preverbal Communication Skills Scale for Children with Multiple Disabilities and Visual Impairment. HumanSciences [Internet]. 2016May31 [cited 2024May8];13(2):2668-81. Available from: https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/3718