1.
Prowoto J, Sastra G, Yanis A. Phonological Disorders of Children with Down Syndrome Based on the Level of Intelligence: A Case Study. OKARA JURNAL BAHASA DAN SASTRA [Internet]. 2019 May 31 [cited 2026 Sep. 5];13(1):81-92. Available from: https://ejournal.uinmadura.ac.id/index.php/okara/article/view/2276