Kotowicz, Justyna, Zofia Wodniecka, i Klaudia Tondos. 2022. „Sign-Spoken Bilingualism in Hearing Individuals With D/Deaf Parents (a Questionnaire-Based Study on the Contact Between Polish Sign Language and Spoken Polish)”. Logopedia 51 (1):109-24. https://logopedia-ptl.pl/index.php/logopedia/article/view/189.