B. O. Elasha, E. S. Siegfried, N. Goutbi, S. Zakiicldin, and A. Hanafi, “Balgis Osman-Elasha, Erika Spanger-Siegfried, Nagmeldin Goutbi, Sumaya Zakicldin and Ahmed Hanafi”, AAZ, vol. 44, no. 3 & 4, Dec. 2016, Accessed: Nov. 03, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/AAZ/article/view/66148