Development of Substrate-Integrated Waveguide Horn Antenna for Material Characterization: Nurul ‘Afifi Alias, Syamimi Mardiah Shaharum, Mohamad Shaiful Abdul Karim. TSSA [Internet]. 2021 Jun. 13 [cited 2025 Feb. 4];4(1):101-7. Available from: http://tssa.my/index.php/jtssa/article/view/156