M. Lellis Thivagar, and Nirmala Rebecca Paul. “On \(\widetilde{g}_\alpha\)-Sets in Bitopological Spaces”. Malaya Journal of Matematik 1, no. 04 (October 1, 2013): 89–96. Accessed July 16, 2024. https://www.malayajournal.org/index.php/mjm/article/view/374.