@unpublished{repository50699,
           title = {Surat Tugas Akreditas},
       publisher = {Universitas Muhammadiyah Prof DR HAMKA},
            note = {Unpublished},
          author = {Awalludin, Subhan Ajiz},
             url = {http://repository.uhamka.ac.id/id/eprint/50699/}
}