WASET
Boulakroune, M. , Challal, M. , Louazene, H. , Fentiz, S. (2015), 'Design and Synthesis of Two Tunable Bandpass Filters Based On Varactors and Defected Ground Structure', World Academy of Science, Engineering and Technology, Open Science Index 99, International Journal of Computer and Information Engineering, 9(3), 320 - 324.