Ishak NS, Dahri MH, Awang N .A., Chong WY, Seman FC. Realization of Circular Slot Frequency Selective Surfaces using Photoplotter and Wet Etching Technique for Terahertz Material Sensing Applications. IJIE [Internet]. 2020 May 29 [cited 2026 Apr. 13];12(6):49-54. Available from: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/6287