Hira Beenish, Muhammad Fahad, and Usra Sami. “Software Defined Networking: A Review With Existing Techniques”. University of Sindh Journal of Information and Communication Technology , Vol. 4, no. 3, Oct. 2020, pp. 104-8, https://sujo.usindh.edu.pk/index.php/USJICT/article/view/2873.