@unpublished{repository51003,
            note = {Unpublished},
           title = {sk,bap,kehadiran,nilai sejarah eropa},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/51003/},
          author = {Hari, Naredi}
}