CANAVCI, H.; DUATEPE PAKSU, A. The Effect of Geometry-Based Brain Teasers on the Geometric Thinking Levels and Spatial Visualization Skills of Middle School Students . Journal of Inquiry Based Activities, [S. l.], v. 16, n. 1, p. 76–102, 2026. Disponível em: https://ated.info.tr/index.php/ated/article/view/268. Acesso em: 25 apr. 2026.