Salih, Hula .M. “Semi-Totally Semi-Continuous Functions in Topological Spaces”. Al-Qadisiyah Journal of Pure Science 19, no. 1 (July 14, 2017): 148-155. Accessed January 18, 2026. https://journalsc.qu.edu.iq.51-77-64-103.cpanel.site/index.php/JOPS/article/view/115.