Saeed, Maryam, and Munnaza Z. Ali. “OPTICAL TAMM STATES AT INTERFACES OF DIFFERENT PERIODIC MEDIA CONTAINING SINGLE AND DOUBLE NEGATIVE MATERIAL LAYERS”. The Nucleus 50, no. 3 (September 16, 2013): 289–293. Accessed March 29, 2024. http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/758.