Dang , Thi Hoang Mai, and Anh Nguyen. 2024. “The Impact Of Early Childhood Bilingualism On Cognitive Development: Comparative Studies”. Journal of Knowledge Learning and Science Technology ISSN: 2959-6386 (online) 3 (2): 177-84. https://doi.org/10.60087/jklst.vol3.n2.p184.