?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Hidayat+Nor&rft.au=Amin%2C+Hidayat+Nor&rft.aulast=Amin&rft.date=15+February+2018&rft.degree=S1&rft.title=SISTEM+INFORMASI+BIMBINGAN+PRIVAT+%E2%80%9CTEMAN+BELAJAR%E2%80%9D+DI+DAERAH+ISTIMEWA+YOGYAKARTA+BERBASIS+WEBSITE&rft.inst=Fakultas+Matematika+dan+IPA