VARELA, P. The reflective experimental construction of meanings about the shape of the Earth and the alternation of day and night. International Electronic Journal of Elementary Education, [S. l.], v. 5, n. 1, p. 5–26, 2017. Disponível em: https://iejee.com/index.php/IEJEE/article/view/7. Acesso em: 19 may. 2025.