TOPTAŞ, V.; KARACA, E. T. An Analysis of Pre-service Elementary School Teachers’ Skills in Geometrical Drawing Using Isometric Paper. International Electronic Journal of Elementary Education, [S. l.], v. 10, n. 2, p. 309–314, 2017. Disponível em: https://iejee.com/index.php/IEJEE/article/view/336. Acesso em: 30 jan. 2025.