Ibrahim, Lamiaa Fattouh, and Hesham Abou El Fetouh Salman. “Applying Clustering Techniques in Hybrid Network in the Presence of 2D and 3D Obstacles”. Computing and Informatics 32, no. 6 (February 24, 2014): 1170–1191. Accessed May 9, 2025. https://www.cai.sk/ojs/index.php/cai/article/view/2160.