@unpublished{repository55207,
       publisher = {Universitas Muhammadiyah Prof. Dr, Hamka},
           title = {sk-absen-bap-nilai},
            note = {Unpublished},
          author = {Erizal, Erizal},
             url = {http://repository.uhamka.ac.id/id/eprint/55207/}
}