FITRI, N. L.; PRAHMANA, R. C. I. Designing learning trajectory of circle using the context of Ferris wheel. JRAMathEdu (Journal of Research and Advances in Mathematics Education), [S. l.], v. 5, n. 3, p. 247–261, 2020. DOI: 10.23917/jramathedu.v5i3.10961. Disponível em: https://journals2.ums.ac.id/jramathedu/article/view/9316. Acesso em: 21 nov. 2025.