@unpublished{repository46986,
       publisher = {Universitas Muhammadiyah Prof DR Hamka},
            note = {Unpublished},
           title = {Surat Tugas Pembicara},
             url = {http://repository.uhamka.ac.id/id/eprint/46986/},
          author = {Awalludin, Subhan Ajiz}
}