Binkuńska, Ewa. “The Quantitative Analysis of Consonant Groups in Speech Therapy Diagnosis of Articulation Disorders”. Logopedia Silesiana, no. 7 (December 23, 2018): 81-101. Accessed May 18, 2024. https://journals.us.edu.pl/index.php/LOGOPEDIASILESIANA/article/view/8237.