Yogesh Prasad, and T. P. Johnson. “Minimal Feebly Semiseparated $\check{C}$ech-Closure Spaces”. International Journal of Mathematics And its Applications 9, no. 4 (December 15, 2021): 45–51. Accessed March 28, 2024. http://ijmaa.in/index.php/ijmaa/article/view/27.