Alex Bertei, Renata Reiser, and Luciana Foss. 2021.
 An Application for Medical Diagnosis Using Correlation Coefficient With Modal Operators and Operator Identifying and Unary. In <em>Anais do VI Workshop-Escola de Informática Teórica</em>, novembro 17, 2021, Online, Brasil. SBC, Porto Alegre, Brasil, 33-40. DOI: <a href="https://doi.org/10.5753/weit.2021.18919">https://doi.org/10.5753/weit.2021.18919</a>.