Abd. Nasir, S. N., H. . Abdul Halim, R. Kamaruddin, and A. S. Yahaya. “Sebutan Kosa Kata Bahasa Pertama Kanak-Kanak Speech Delay Melalui Analisis Linguistik Klinikal: First Language Vocabulary Pronunciation of Speech Delay Children through Clinical Linguistics Analysis”. International Journal of Language Education and Applied Linguistics, vol. 13, no. 2, Dec. 2023, pp. 83-93, https://journal.ump.edu.my/ijleal/article/view/8517.