O. Ravi, M. Suresh, I. Rajasekaran, & P. Santhi. (2015). On $\textit{I}_{\pi gp^\star}$-closed Sets in Ideal Topological Spaces. International Journal of Mathematics And Its Applications, 3(1), 109–117. Retrieved from http://ijmaa.in/index.php/ijmaa/article/view/409