Hany A. Atallah, T. A. A.-O. M. M. A. E.- N. A. B. A.-R. “A Novel Efficient Design for Wireless Power Transfer Employing T-Slot Defected Ground Structure”. International Journal of Advanced Science and Technology, Vol. 28, no. 16, Dec. 2019, pp. 1759 -, http://sersc.org/journals/index.php/IJAST/article/view/2187.