L. VIDYARANI; M. VIGNESHWARAN. Quasi Supra N-closed Map and Supra N-normal Space. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 1 - A, p. 15–22, 2018. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/892. Acesso em: 17 may. 2024.