@unpublished{repository46250,
            note = {Unpublished},
           title = {SERTIFIKAT INSTRUKTUR BIMTEK KEPALA LABORATORIUM},
       publisher = {uhamka},
          author = {Imas Ratna Ermawati, IRE},
             url = {http://repository.uhamka.ac.id/id/eprint/46250/}
}