LEE, Ji-Eun; HWANG, Sunghwan. Elementary Students’ Exploration of the Structure of a Word Problem Using Representations. International Electronic Journal of Elementary Education, [S. l.], v. 14, n. 3, p. 269–281, 2022. Disponível em: https://iejee.com/index.php/IEJEE/article/view/1697. Acesso em: 9 aug. 2026.