@unpublished{repository19718,
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {Kelas 7J},
            note = {Unpublished},
          author = {Maifitrianti, Maifitrianti},
             url = {http://repository.uhamka.ac.id/id/eprint/19718/}
}