LE, Thi Lan. Methods to develop problem-solving competence for 5-6 year-old children through fun activities at kindergartens. Dong Thap University Journal of Science, [S. l.], v. 12, n. 01S, p. 113–120, 2023. DOI: 10.52714/dthu.12.01S.2023.1012. Disponível em: https://dthujs.vn/index.php/dthujs/article/view/138. Acesso em: 8 sep. 2024.