Shrivastava, Manisha, Takashi Noiri, and Purushottam Jha. “CONTRA WEAKLY-θ\(_I\)-PRECONTINUOUS FUNCTIONS IN IDEAL TOPOLOGICAL SPACES”. Italian Journal of Pure and Applied Mathematics 40 (July 31, 2018): 736–747. Accessed October 7, 2026. https://journals.uniurb.it/index.php/ijpam/article/view/6965.