IGNACIO, A.; SISON, L. R. Mathematical discourses on propositional equivalence: An exploration through the commognitive lens. International Journal of Learning and Teaching, [S. l.], v. 14, n. 4, p. 112–124, 2022. DOI: 10.18844/ijlt.v14i4.7056. Disponível em: https://un-pub.eu/ojs/index.php/ijlt/article/view/7056. Acesso em: 25 aug. 2024.