@unpublished{repository53452,
            note = {Unpublished},
           title = {SK,BAP,Kehadiran,Nilai Metode PTK},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
          author = {Jumardi, Jumardi},
             url = {http://repository.uhamka.ac.id/id/eprint/53452/}
}