Bianca Santana, Christina Chavez, and Roberto Bittencourt. 2021.
 An Operational Definition for Computational Thinking. In <em>Proceedings of the Brazilian Symposium on Computing Education</em>, April 26, 2021, On-line, Brasil. SBC, Porto Alegre, Brasil, 93-103. DOI: <a href="https://doi.org/10.5753/educomp.2021.14475">https://doi.org/10.5753/educomp.2021.14475</a>.