Singh, Prabal P., Khem B. Thapa, and Satyender Singh Yadav. “Optical Properties of Photonic Metamaterials and Potential Applications”. International Journal of Science and Social Science Research 1, no. 1 (June 30, 2023): 30–37. Accessed July 28, 2026. https://www.ijsssr.com/index.php/j/article/view/5.