@unpublished{repository47322,
           title = {4-sk-bap-absen-nila-pemsi4c},
       publisher = {Universitas Muhammadiyah Prof Dr HAMKA},
            note = {Unpublished},
          author = {Sjaiful Alim, Endy},
             url = {http://repository.uhamka.ac.id/id/eprint/47322/}
}