W. Askandar, Sabih. “I-Generalized Homeomorphisms and Generalized I-Homeomorphisms in Topological Spaces”. Journal of Education and Science (JES) 27, no. 4 (December 28, 2018): 151–160. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23794.