Aziz Hussain Al-Abdulla, Raad, and Ruaa Muslim Abed. 2017. “On Bc-Lindelof Spaces and Nearly Bc-Lindelof Spaces”. Journal of Al-Qadisiyah for Computer Science and Mathematics 6 (2):94-116. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/109.