@unpublished{repository3220,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Surat Tugas Webinar Teknik Penulisan Artikel Jurnal Ilmiah},
            note = {Unpublished},
          author = {Sukmara, Rina},
             url = {http://repository.uhamka.ac.id/id/eprint/3220/}
}