@unpublished{repository32450,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
           title = {ST, Sertif, Presenter},
             url = {http://repository.uhamka.ac.id/id/eprint/32450/},
          author = {Burhayani, Eni}
}