M. Ittanagi, Basavaraj, and G. P. Siddapur. “On Maximal Semi Continuous Functions in Topological Spaces”. International Journal of Engineering & Technology 7, no. 4.10 (October 2, 2018): 904–907. Accessed May 2, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/26785.