PAGE, M. H.; PATIL, P. G. Some New Contra-Continuous Functions in Topology. Communications in Mathematics and Applications, [S. l.], v. 7, n. 2, p. 81–91, 2016. DOI: 10.26713/cma.v7i2.377. Disponível em: https://www.rgnpublications.com/journals/index.php/cma/article/view/377. Acesso em: 30 apr. 2024.