Cassia Fernandez, Roseli Lopes, and Paulo Blikstein. 2026. Exploring Data: Tools and Methods to Support Learning in Data Visualization Construction. In Proceedings of the 39th Thesis and Dissertation Contest, July 19, 2026, Gramado/RS, Brasil. SBC, Porto Alegre, Brasil, 41-49. DOI: https://doi.org/10.5753/ctd.2026.19436.