P. Mariappan, and J. Antony Rex Rodrigo. “$M_I^{*}$-Closed Sets in Ideal Topological Spaces”. International Journal of Mathematics And its Applications 6, no. 1 - C (February 15, 2018): 493–503. Accessed July 22, 2024. https://ijmaa.in/index.php/ijmaa/article/view/1094.