@unpublished{repository6630,
           title = {BAP, NILAI DAN ABSEN TEORI GRAPH 7D},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/6630/},
          author = {Windia Hadi, Windia}
}