@unpublished{repository28441,
           title = {Link bukti kinerja 1\_2},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. dr. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/28441/},
          author = {Viviandhari, Daniek}
}