@unpublished{repository12887,
           title = {RPS Statistik Pendidikan},
       publisher = {Universitas Muhammadiyah Prof.DR.HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/12887/},
          author = {Zulherman, Zulherman}
}