?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=MARK+PRIMA+ESTAFETA+MUCHAMMAD%2C+NIM.+05650018&rft.aulast=MARK+PRIMA+ESTAFETA+MUCHAMMAD&rft.aufirst=NIM.+05650018&rft.degree=Skripsi&rft.date=12+September+2011&rft.title=PENGEMBANGAN+APLIKASI+VOIP+MENGGUNAKAN+REAL-TIME+TRANSPORT+PROTOCOL&rft.inst=UIN+Sunan+Kalijaga+Yogyakarta