Gacka, Ewa, and Monika Kaźmierczak, eds. “Diagnosing and Streamlining the Respiratory Function in Speech-Therapy Proceedings. Theoretical and Practical Perspective”. In Selected Issues from the Theory and Practice of Speech Therapy, 71–83. Poland: Lodz University Press, 2018. Accessed January 25, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1093/chapter/2942.