@article{UNY24196,
       publisher = {Departement of Mathematics Education Faculty of Mathematics and Natural Science  Yogyakarta State University},
            year = {2014},
           title = {Mining the Traffic Conditions via Twitter based on Rough Set Theory},
          author = {. Septianusa and . Maulina Supriyaningsih and . Ayu Septiani and . RB Fajriya Hakim},
         journal = {International Seminar on Innovation in Mathematics and Mathematics Education},
             url = {http://eprints.uny.ac.id/24196/}
}