@unpublished{repository42526,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {ST, Sertifikat Best Paper, dan Artikel},
          author = {Rr., Sulistyawati},
             url = {http://repository.uhamka.ac.id/id/eprint/42526/}
}