@unpublished{repository26979,
           title = {Surat tugas bimbingan skripsi atas nama Ahmad Riswanto},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
            note = {Unpublished},
          author = {Budiandru, Budiandru},
             url = {http://repository.uhamka.ac.id/id/eprint/26979/}
}