Luu Duc, D. T., Ha Huy Dung, Luong Van Trinh, Cao Viet Linh, Doan Van Tung, and Nguyen Duc Thanh. “Research and Design of a Waveguide Sum-Difference Comparator for Monopulse Radar Applications”. Journal of Military Science and Technology, vol. 110, no. 110, Apr. 2026, pp. 55-62, doi:10.54939/1859-1043.j.mst.110.2026.55-62.