?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Budhi%2C+Akbar&rft.aufirst=Akbar&rft.aulast=Budhi&rft.date=21+August+2011&rft.inst=Universitas+Muhammadiyah+Prof.+Dr.+Hamka&rft.degree=Doctoral&rft.title=Disertasi+Dr.+Budhi+Akbar%2C+M.Si.