?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=ENI+ALIYAH%2C+NIM.+00430300&rft.aulast=ENI+ALIYAH&rft.aufirst=NIM.+00430300&rft.degree=Skripsi&rft.date=19+December+2005&rft.title=KONSEP+NOL+DALAM+STRUKTUR+ALJABAR+(Tinjauan+Historis+dan+Pengembangan+Nol+dalam+Teori+Grup)&rft.inst=UIN+Sunan+Kalijaga&rft.tpages=117