@unpublished{repository19469,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {3B Bukti Ajar},
             url = {http://repository.uhamka.ac.id/id/eprint/19469/},
          author = {Bandarsyah, Desvian}
}