@unpublished{repository13559,
            note = {Unpublished},
           title = {SK Mengajar, BAP, Absen, dan Nilai},
       publisher = {Universitas Muhammadiyah Prof.Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/13559/},
        abstract = {SK Mengajar, BAP, Absen, dan Nilai},
          author = {Ervin, Azhar}
}