@unpublished{repository44886,
           title = {2108015132 Mashita Firdaus Susanto},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/44886/},
          author = {Yulmaida Amir, Yulmaida}
}