O. RAVI; M. SURESH; I. RAJASEKARAN; P. SANTHI. On $\textit{I}_{\pi gp^\star}$-closed Sets in Ideal Topological Spaces. International Journal of Mathematics And its Applications, [S. l.], v. 3, n. 1, p. 109–117, 2015. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/409. Acesso em: 5 may. 2024.