Alfikri, M., T. Tryana, R. Ummami, M. Poetri, and D. Sunarsi. “Speech Disorder in Children: Stuttering Disfluency in Selected Video”. International Journal of Education, Information Technology, and Others, Vol. 5, no. 5, Dec. 2022, pp. 99-03, doi:10.5281/zenodo.7430591.