V. RAJENDRAN; P. SATHISHMOHAN; K. LAVANYA. On $\mathcal{NI}_{\widehat g}$-Closed Sets in Nano Ideal Topological Spaces. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 2 - A, p. 193–199, 2018. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/663. Acesso em: 3 jul. 2024.