ALI, C. A. An Analysis of Ethnomathematics Didactical Contract in the Sums of Interior and Exterior Angles. Brillo Journal, [S. l.], v. 3, n. 2, p. 83–101, 2024. DOI: 10.56773/bj.v3i2.52. Disponível em: https://journal.sncopublishing.com/index.php/brillojournal/article/view/52. Acesso em: 21 dec. 2024.