Kadhim Hoomod, H. et al. 2017. Efficient Neighborhood Function and Learning Rate of Self-Organizing Map (SOM) for Cell Towers Traffic Clustering. Journal of Al-Qadisiyah for Computer Science and Mathematics. 9, 2 (Nov. 2017), Comp Page 122 – 130. DOI:https://doi.org/10.29304/jqcm.2017.9.2.321.