Bhavya Deep , Dr. Iti Mathur , Dr. Nisheeth Joshi. “Estimated Power Cost Comparison of Physical Server Vs Virtualized Server in a Data Center”. International Journal of Advanced Science and Technology, Vol. 29, no. 06, May 2020, pp. 5335 -42, http://sersc.org/journals/index.php/IJAST/article/view/19602.