@unpublished{repository51060,
           title = {ST, Materi dan Sertifikat Kegiatan Pemakalah Konferensi Internasional APPBIPA},
            note = {Unpublished},
       publisher = {UHAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/51060/},
          author = {Martriwati, Martriwati and Martriwati, Martriwati}
}