LEE, J.-E.; ZEPPELIN, M. Using drawings to bridge the transition from student to future teacher of mathematics. International Electronic Journal of Elementary Education, [S. l.], v. 6, n. 2, p. 333–346, 2017. Disponível em: https://www.iejee.com/index.php/IEJEE/article/view/48. Acesso em: 7 jun. 2023.