@unpublished{repository16923,
           title = {Tesis S2 Undip},
            year = {2015},
          school = {UNIVERSITAS MUHAMADIYAH PROF. Dr. HAMKA},
            note = {Unpublished},
           month = {May},
             url = {http://repository.uhamka.ac.id/id/eprint/16923/},
          author = {Indriastuti, Mila}
}