@unpublished{repository35222,
           title = {SK DAN SERTIFIKAT SEMINAR NASIONAL (WEBINAR)},
            note = {Unpublished},
       publisher = {Uhamka},
             url = {http://repository.uhamka.ac.id/id/eprint/35222/},
          author = {Agustin Yumita, Agustin}
}