“Development of Substrate-Integrated Waveguide Horn Antenna for Material Characterization: Nurul ‘Afifi Alias, Syamimi Mardiah Shaharum, Mohamad Shaiful Abdul Karim”. 2021. Journal of Tomography System and Sensor Application 4 (1):101-7. http://tssa.my/index.php/jtssa/article/view/156.