Mikłasz-Sendecka, Bożena, and Olga Przybyla. “Early Childhood Bilinguality. Case Study”. Logopedia Silesiana, no. 8 (December 22, 2019): 461–486. Accessed May 6, 2025. https://trrest.vot.pl/ojsus/index.php/LOGOPEDIASILESIANA/article/view/8280.