@unpublished{repository36568,
            year = {2024},
            note = {Unpublished},
           title = {SISTEM INDRA DR IRENA},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/36568/},
          author = {Irena Ujianti, Irena}
}