@unpublished{repository4049,
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
           title = {LAMPIRAN 2. CONTOH NASKAH UTL PPG},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/4049/},
          author = {Tri Wintolo Apoko, Tri}
}