Research and results of determining the level of bilinguality of young children. Mongolian Journal of Educational Research, [S. l.], v. 29, n. 1, 2024. DOI: 10.56380/mjer.v29.1.3. Disponível em: https://journal.mnier.mn/index.php/research/article/view/33. Acesso em: 18 sep. 2025.