@unpublished{repository2902,
           title = {Surat Tugas, BAP, Presensi, Nilai Budi Permana},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/2902/},
          author = {Budi Permana Yusuf, Budi}
}