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 6, 2025. https://trrest.vot.pl/ojsus/index.php/LOGOPEDIASILESIANA/article/view/8237.