ET.AL, S. B. A. . Concept Construction on the Area of Oblique Triangles: A Lesson Study. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 3, p. 3870–3880, 2021. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/1676. Acesso em: 27 dec. 2024.