Marciniak-Firadza, R. How a Speech Therapist Can Help Children With Selective Mutism?. In Selected issues from the theory and practice of speech therapy; Gacka, E., Kaźmierczak, M., Eds.; Lodz University Press: Poland, 2018; pp. 163-175. https://doi.org/10.18778/8142-104-1.14.