@unpublished{repository40949,
            note = {Unpublished},
       publisher = {universitas Muhammadiyah Prof.DR.HAMKA},
           title = {Sertifikat Diklat webinar},
             url = {http://repository.uhamka.ac.id/id/eprint/40949/},
          author = {Ernawati, Ernawati}
}