@unpublished{repository53590,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Surat Tugas 02 dan Sertfikat Penunjang},
            note = {Unpublished},
          author = {fetrimen, fetrimen},
             url = {http://repository.uhamka.ac.id/id/eprint/53590/}
}