Zawadka, Joanna, et al. “Recognizing of the Language Situation of a Bilingual and Multilingual Child Using the Speech Therapy Questionnaire for Recognizing a child’s Language Situation in the Perspective of Multilingualism and Multiculturalism”. Interdyscyplinarne Aspekty Diagnozy I Terapii Logopedycznej, edited by Ewelina Zając and Mateusz Szurek, Lodz University Press, 2020, pp. 115-2, https://doi.org/10.18778/8220-226-7.09.