@unpublished{repository43335,
           title = {sk, bap, nilai, absen},
       publisher = {Universitas Muhammadiyah Prof. Dr, Hamka},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/43335/},
          author = {Erizal, Erizal}
}