@unpublished{repository33368,
           title = {Properties Jurnal Internasional IJIMS},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/33368/},
          author = {Fuad, Ai Fatimah Nur}
}