EL-Maghrabi, A.I., and F.M. AL-Rehli. “Some Forms of α -Generalized-δ- Compactness”. Journal of Global Research in Mathematical Archives(JGRMA) 1, no. 1 (February 3, 2013): 10–18. Accessed April 30, 2025. https://jgrma.com/index.php/jgrma/article/view/12.