?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Muhammad&rft.au=Sopiyana%2C+Muhammad&rft.aulast=Sopiyana&rft.degree=S2&rft.date=31+January+2015&rft.inst=UNY&rft.title=Kinerja+MGMP+Ekonomi+SMA+di+Kabupaten+Boyolali