@unpublished{repository6287,
           title = {BAP, ABSEN DAN NILAI TEORI GRAPH 7C},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/6287/},
          author = {Windia Hadi, Windia}
}