Marciniak-Firadza, Renata. 2018. “How a Speech Therapist Can Help Children With Selective Mutism?”. In Selected Issues from the Theory and Practice of Speech Therapy, edited by Ewa Gacka and Monika Kaźmierczak, 163-75. Poland: Lodz University Press. https://doi.org/10.18778/8142-104-1.14.