Pham Thanh Cong, Vu Le Ha, Nguyen Ngoc Thai, Le Van Binh, Trinh Van Du. A double split-ring resonator based tunable filter for frequency detection and monitoring system . JMST [Internet]. 2025 Oct. 30 [cited 2025 Oct. 31];(IITE):54-61. Available from: https://ojs.jmst.info/index.php/jmst/article/view/1861