@unpublished{repository40079,
            note = {Unpublished},
           title = {ARTIKEL\_PENGEMBANGAN ALAT PERAGA RING ELECTROMAGNETIC
ACCELERATOR PADA PERKULIAHAN LISTRIK MAGNET MATERI
MEDAN MADNET BERARUS},
       publisher = {uhamka},
             url = {http://repository.uhamka.ac.id/id/eprint/40079/},
          author = {Imas Ratna Ermawati, IRE}
}