@unpublished{repository3300,
           title = {BAP, Presensi, Nilai Praktikum Biokimia 2A},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/3300/},
          author = {Mayarni, Mayarni}
}