Waleed, G.T. et al. 2019. Network Anomaly Detection Using Unsupervised Machine Learning :Comparative study. Journal of Al-Qadisiyah for Computer Science and Mathematics. 11, 4 (Sep. 2019), Comp Page 1– 9. DOI:https://doi.org/10.29304/jqcm.2019.11.4.621.