Hussain, S. and Rosas, E. (2014) “ON γ-s-URYSOHN CLOSED AND γ-s-REGULAR CLOSED SPACES”, Italian Journal of Pure and Applied Mathematics, 32, pp. 49–56. Available at: https://journals.uniurb.it/index.php/ijpam/article/view/6237 (Accessed: 7 August 2026).