@unpublished{repository2821,
           title = {BAP, Absen, dan Nilai Mata Kuliah Biometri},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/2821/},
          author = {Luthpi, Safahi}
}