Hien, Nguyen Thi, Phan Thi Duyen, Bui Xuan Khuyen, Bui Son Tung, Nguyen Xuan Ca, Pham Thi Thu Ha, and Vu Dinh Lam. 2020. “Realization of Broadband and Independent Polarization Metamaterial Perfect Absorber Based on the Third-Order Resonance”. Vietnam Journal of Science and Technology 58 (4). Hanoi, VN:481-92. https://vjs.ac.vn/jst/article/view/15034.