Hosny, R. A. ., M. K. . El-Bably, and A. S. . Nawar. “Some Modifications and Improvements to Idealization of \(j\)-Approximation Spaces”. Journal of Advanced Studies in Topology, vol. 12, no. 1-2, July 2022, pp. 1-7, http://www.m-sciences.com/index.php/jast/article/view/278.