@book{repository20920,
       publisher = {Universitas Muhammadiyah Prof Dr. HAMKA (UHAMKA)},
           title = {Buku Saku Bahaya Rokok Elektrik},
             url = {http://repository.uhamka.ac.id/id/eprint/20920/},
          author = {Novi Andayani Praptiningsih, NAP}
}