?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Yahaya&rft.au=Yahaya%2C+N.Z.&rft.aufirst=N.Z.&rft.issn=15982092&rft.date=2009&rft.atitle=Review+on+Gallium+Nitride+HEMT+device+technology+for+high+frequency+converter+applications&rft.pages=36-42&rft.volume=9&rft.issue=1&rft.title=Journal+of+Power+Electronics&rft.genre=article