@unpublished{repository4189,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
           title = {BAP, Presensi, Nilai MK Praktek OOP kelas 4E},
          author = {Erizal, Erizal},
             url = {http://repository.uhamka.ac.id/id/eprint/4189/}
}