@unpublished{repository11197,
            note = {Unpublished},
       publisher = {Unversitas Muhammadiyah Prof. DR. HAMKA},
           title = {BAP, Presensi, Nilai Essay Writing},
             url = {http://repository.uhamka.ac.id/id/eprint/11197/},
          author = {Gunawan Suryoputro, Gunawan}
}