@unpublished{repository1801,
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {Presensi, BAP, Nilai Imunologi Kelas 2B},
            note = {Unpublished},
          author = {Siska, Siska},
             url = {http://repository.uhamka.ac.id/id/eprint/1801/}
}