?url_ver=Z39.88-2004&rft_id=10.1109%2FICEESE56169.2023.10278165&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Ibrahim%2C+S.Z.&rft.aulast=Ibrahim&rft.aufirst=S.Z.&rft.isbn=9781665453714&rft.title=Design+of+4-Channel+Multiplexer+Using+Waveguide+Cylindrical+Cavity+Resonator&rft.date=2023&rft.genre=proceeding