@unpublished{repository3117,
           title = {Data pengajaran medan elektromagnetik kelas 4A},
            note = {Unpublished},
       publisher = {Rosalina},
             url = {http://repository.uhamka.ac.id/id/eprint/3117/},
          author = {Rosalina{,}S.T.{,} M.T., Rosalina}
}