@unpublished{repository4050,
            note = {Unpublished},
           title = {LAMPIRAN 4. SERDIK DAN IJAZAH DOSEN},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/4050/},
          author = {Tri Wintolo Apoko, Tri}
}