NGUYEN, T. B. T. Childcare and education quality assurance at private preschools: A case study in Hanoi, Vietnam. Vietnam Journal of Education, [S. l.], v. 4, n. 4, p. 83–87, 2020. DOI: 10.52296/vje.2020.84. Disponível em: https://vje.vn/index.php/journal/article/view/84. Acesso em: 20 apr. 2024.