LAJOS, Péter. Case Study of 13-year-old Boy Suffering from Depression and Stuttering. Logopedia Silesiana, [S. l.], n. 1, 2012. Disponível em: https://journals.us.edu.pl/index.php/LOGOPEDIASILESIANA/article/view/3110. Acesso em: 5 dec. 2025.