Barbosa, L., & 		Maltempi, M.
(2024).
 Constructionist Educational Computational Experiences (ExCEC) as a context for learning negative numbers and developing computational thinking.
In <em>Proceedings of the 30th Workshop on Computing at School</em>, (pp. 493-502). Porto Alegre: SBC.
doi:10.5753/wie.2024.242689