@unpublished{repository44561,
       publisher = {UHAMKA},
            note = {Unpublished},
           title = {SERTIFIKAT NARASUMBER PENINGKATAN KOMPETENSI KEPALA SMK},
             url = {http://repository.uhamka.ac.id/id/eprint/44561/},
          author = {Musringudin, Musringudin}
}