Castro Filho, José, 		Castro, Juscileide, 		Souza, Maria, 		Freire, Raquel, AND 		Nascimento, Gabriel.
" The Kingdom of Aljabar: the challenge of the two-plate scale: A Digital Educational Resource to Favor the Development of Algebraic Thought" <em>Companion Proceedings of the Brazilian Congress on Computers in Education (CBIE)</em> [Online], (22 November 2020)