Le Trong, Hieu, Thang Tran Trong, and Dong Hoang Van. 2021. “A Design Approach for Compact Ultra-Wideband Bandpass Filter Based on Hybrid Microstrip Coplanar Waveguide Resonators”. Journal of Military Science and Technology, no. RD (August):169-74. https://jmst.mod.gov.vn/index.php/jmst/article/view/2367.