“Learning Difficulties: Signs and Symptoms of Oral Communication Disorders in Special-Education Students: (Masalah Pembelajaran: Tanda Dan Simptom Kecacatan Komunikasi Lisan Murid Pendidikan Khas)”. 2014. Jurnal Bahasa 14 (2): 301-24. https://jurnal.dbp.my/index.php/jurnalbahasa/article/view/4276.