Karim Lelo Alobaidi, Ali. “On Almost Countably Compact of Bitopological Spaces Ali Karim Lelo Alobaidi”. Al-Qadisiyah Journal of Pure Science 22, no. 1 (February 10, 2018): 192 -196. Accessed May 2, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/623.