@unpublished{repository16712,
       publisher = {Universitas Muhammadiyah Prof.DR.HAMKA},
           title = {SK mengajar stattistik kelas 4U},
            note = {Unpublished},
          author = {Zulherman, Zulherman},
             url = {http://repository.uhamka.ac.id/id/eprint/16712/},
        abstract = {SK mengajar stattistik kelas 4U}
}