@unpublished{repository40762,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR HAMKA},
           title = {Surat Penghargaan 25 tahun dosen tetap UHAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/40762/},
          author = {Novi Andayani Praptiningsih, NAP}
}