@unpublished{repository17822,
           title = {Sertifikat Seminar Iman Imun},
            year = {2021},
            note = {Unpublished},
       publisher = {Iman Imun},
             url = {http://repository.uhamka.ac.id/id/eprint/17822/},
          author = {Agus Rahmadi, Agus}
}