@unpublished{repository17078,
           title = {Disertasi Dr. Budhi Akbar, M.Si.},
            year = {2011},
          school = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
           month = {August},
             url = {http://repository.uhamka.ac.id/id/eprint/17078/},
          author = {Budhi, Akbar}
}