@unpublished{repository55736,
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
            note = {Unpublished},
           title = {Surat Permintaan Pembicara dan sertifikat Bu Dewi},
          author = {Dewi Trihandayani, Dewi},
             url = {http://repository.uhamka.ac.id/id/eprint/55736/}
}