Raad Aziz Hussan Al-Abdulla, and . Othman Rhaif Madlooi Al-Chrani. 2020. “On Semi Feebly Open Set and Its Properties”. Al-Qadisiyah Journal of Pure Science 25 (3), math 35-45. https://doi.org/10.29350/qjps.2020.25.3.1096.