@unpublished{repository32952,
           title = {KTA I-MES Ayu Tsurayya},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
          author = {Tsurayya, Ayu},
             url = {http://repository.uhamka.ac.id/id/eprint/32952/}
}