W. Askandar, S., بیداء, B. S. Abdullah, صبیح, R. N. Balo, and رقیة. “Hα-Open Sets in Topological Spaces”. Journal of Education and Science (JES), vol. 31, no. 3, Sept. 2022, pp. 91-98, doi:10.33899/edusj.2022.134241.1251.