VIDYARANI, L. On Frontier in Intuitionistic supra Topological spaces. Journal of Global Research in Mathematical Archives(JGRMA), [S. l.], v. 4, n. 12, p. 54–61, 2017. Disponível em: https://www.jgrma.com/index.php/jgrma/article/view/387. Acesso em: 10 may. 2025.