Byers-Heinlein, Krista, and Casey Lew-Williams. “Bilingualism in the Early Years: What the Science Says”. LEARNing Landscapes 7, no. 1 (July 1, 2013): 95-112. Accessed October 6, 2024. https://www.learninglandscapes.ca/index.php/learnland/article/view/Bilingualism-in-the-Early-Years-What-the-Science-Says.