Assasaki, Bayu Islam. “IMPROOVING THE ABILITY OF MOTHER LANGUAGE PRONUNCIATION IN MILD DOWN SYNDROME CHILDREN”. LITERA : Jurnal Bahasa Dan Sastra 2, no. 1 (January 26, 2016). Accessed May 7, 2025. https://jurnal.undhirabali.ac.id/index.php/litera/article/view/330.