V. Rajendran, P. Sathishmohan, and R. Mangayarkarasi. “On Nano Semi $\widehat{g}$-Closed Sets in Nano Topological Spaces”. Malaya Journal of Matematik 7, no. 01 (January 1, 2019): 62–66. Accessed November 22, 2024. https://www.malayajournal.org/index.php/mjm/article/view/675.