Ha Huy, Dũng, Hiệu Le Duy, Tùng Doan Van, and Mỹ Bui Ngoc. “Method of Maintaining Beamwidth When Expanding Coverage Area in High-Frequency Surface Wave Radars”. Journal of Military Science and Technology, no. RD (August 1, 2021): 38–45. Accessed November 13, 2026. https://jmst.mod.gov.vn/index.php/jmst/article/view/2348.