?url_ver=Z39.88-2004&rft_id=10.1109%2FICIAS49414.2021.9642690&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Yip%2C+J.H.&rft.aulast=Yip&rft.aufirst=J.H.&rft.title=Development+of+Microstrip+Yagi+Antenna+for+4G+Application&rft.isbn=9781728176666&rft.date=2021&rft.genre=proceeding