@unpublished{repository12397,
           title = {Per Review HKI 3\_Apk Aturan Perkalian},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/12397/},
          author = {RIZKI DWI SISWANTO, RDS}
}