@unpublished{repository1923,
            year = {2020},
       publisher = {Universitas Muhammadiyah Prof Dr Hamka},
            note = {Unpublished},
           title = {Absen, BAP , Nilai Biost Kelas 4H},
             url = {http://repository.uhamka.ac.id/id/eprint/1923/},
          author = {Ahmad Faridi, AF}
}