@unpublished{repository17858,
       publisher = {Perhimpunan Dokter Umum Indonesia},
           title = {Sertifikat PDUI},
            year = {2019},
            note = {Unpublished},
          author = {Agus Rahmadi, Agus},
             url = {http://repository.uhamka.ac.id/id/eprint/17858/}
}