Fernanda Pires, Karolayne  Teixeira, Marcela  Pessoa, and Polianny  Lima. 2019.
 Developing Computational Thinking through Turing Machine: Curupiras enigma. In <em>Proceedings of the 27th Workshop on Computing Education</em>, July 12, 2019, Belém, Brasil. SBC, Porto Alegre, Brasil, 523-532. DOI: <a href="https://doi.org/10.5753/wei.2019.6657">https://doi.org/10.5753/wei.2019.6657</a>.