@unpublished{repository11313,
            year = {2009},
           title = {Tesis\_gagal jantung},
          school = {Universitas Muhammadiyah Prof. Dr. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/11313/},
          author = {Daniek Viviandhari, Daniek}
}