?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Mussafi%2C+Noor+Saif+Muhammad&rft.aulast=Mussafi&rft.aufirst=Noor+Saif+Muhammad&rft.issue=No.+1&rft.volume=Vol.11&rft.date=1+April+2015&rft.issn=2301-8550&rft.atitle=PENERAPAN+GREEDY+COLORING+ALGORITHM+PADA+PETA+KOTAMADYA+YOGYAKARTA+BERBASIS+FOUR-COLOUR+THEOREM&rft.title=Kaunia+Jurnal+Sains+dan+Teknologi&rft.pages=19-26&rft.genre=article