@unpublished{repository31742,
           title = {Surat Tugas dan Sertifikat Pengmas Ganjil 23-24},
            note = {Unpublished},
       publisher = {LPPM UHAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/31742/},
          author = {Agustin Yumita, Agustin}
}