@unpublished{repository19657,
           title = {SK ganjil, DN DH, BAP Statistik 3A},
       publisher = {universitas  muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/19657/},
          author = {TRESNAWATY, YULISTIN}
}