Ahmed, Estiaq, MS Hossain, and DM Ali. “Products and Mappings of Intuitionistic Fuzzy T0, T1 and T2-Spaces”. Journal of Bangladesh Academy of Sciences 39, no. 2 (December 14, 2015): 223–231. Accessed January 19, 2026. https://www.banglajol.info/index.php/JBAS/article/view/25955.