Substrate integrated waveguide (SIW) 3 dB coupler for K-Band applicationsNurehansafwanah Khalid, Siti Zuraidah Ibrahim, Fwen Hoon Wee and Farah Shazuani MahmudEPJ Web Conf., 162 (2017) 01078DOI: https://doi.org/10.1051/epjconf/201716201078
