@unpublished{repository5151,
       booktitle = {REDOKS DAN ELEKTROKIMIA},
       publisher = {PENERBIT BINTANG},
            note = {Unpublished},
           title = {REDOKS DAN ELEKTROKIMIA},
             url = {http://repository.uhamka.ac.id/id/eprint/5151/},
            isbn = {978-623-6786-39-0},
          author = {Wati Sukmawati, Wati}
}