Ho, Manh Linh, Son Xuat Ta, Nguyen Khac Kiem, and Ngoc Chien Dao. 2018. “Near Field and Far Field Calculation from Metallic Elliptical Cylinder Coated With Left-Handed Metamaterial”. Old Journal, no. 131C (November):82-86. https://jst.vn/index.php/old/article/view/707.