fathunah, Nada, and Irwan Siagian. “STUDI VARIASI PELAFALAN FONEM /R/ DAN GANGGUAN FONOLOGI PADA PENDERITA CADEL”. Jurnal Ilmiah Wahana Pendidikan 9, no. 20 (October 11, 2023): 522-527. Accessed April 28, 2026. https://jurnal.peneliti.net/index.php/JIWP/article/view/5274.