Hoang, Van Nam, and Minh Ngoc Nguyen. “Optimal Design of an Acoustic Lens With Anisotropic Metamaterial”. International Journal of Marine Science and Technology 2, no. 1 (March 30, 2026): 43–48. Accessed April 22, 2026. https://i-jmst.vimaru.edu.vn/index.php/i-jmst/article/view/35.