K. BHUVANESWARI; K. KARPAGAM. Nano Generalized Closed Sets in Nano Bitopological Space. International Journal of Mathematics And its Applications, [S. l.], v. 4, n. 1 - B, p. 149–153, 2016. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/580. Acesso em: 22 jul. 2024.