S. Pious Missier, R. Krishnaveni, and G. Mahadevan. “Connectedness and Compactness via Semi-Star-Regular Open Sets”. International Journal of Mathematics And its Applications 5, no. 3 - B (August 15, 2017): 189–198. Accessed July 22, 2024. https://ijmaa.in/index.php/ijmaa/article/view/865.