Kos, Ewa Arleta. “The Specificity of the Functioning of a Child With Selective Mutism in an Educational Environment”. In Interdyscyplinarne Aspekty Diagnozy I Terapii Logopedycznej, edited by Ewelina Zając and Mateusz Szurek, 227–243. Poland: Lodz University Press, 2020. Accessed January 25, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/873/chapter/2198.