@unpublished{repository19183,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
           title = {Geometri Analitika 5C},
             url = {http://repository.uhamka.ac.id/id/eprint/19183/},
          author = {Slamet Soro, SS}
}