NKOUKA MOUKENGUE CGL, LILONGA-BOYENGA D. Effect of defected ground plane on the bandwidth of parallel line-coupled bandpass filter at 3.3 GHz. IJET [Internet]. 2017 Jun. 29 [cited 2024 May 4];6(3):62-4. Available from: https://sciencepubco.com/index.php/ijet/article/view/7377