@unpublished{repository38170,
           title = {TIARA ADITIA SARI},
       publisher = {universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/38170/},
          author = {Yulmaida Amir, Yulmaida}
}