WOŹNIAK, Tomasz. Teorie pochodzenia jąkania oparte na dowodach. Logopedia Silesiana, [S. l.], n. 4, 2015. Disponível em: https://trrest.vot.pl/ojsus/index.php/LOGOPEDIASILESIANA/article/view/4506. Acesso em: 6 may. 2025.