S. Sharmila, and I. Arockiarani. 2015. “Tietze’s Extension Theorem for Intuitionistic Fuzzy $\zeta-$Basically Disconnected Spaces in Katetov-Tong’s Sense”. International Journal of Mathematics And Its Applications 3 (4 - D):1-8. https://ijmaa.in/index.php/ijmaa/article/view/510.