@article{UNY24284,
       publisher = {Departement of Mathematics Education Faculty of Mathematics and Natural Science Yogyakarta State University},
          author = {. Erni Nuraeni and . Rahayu Kariadinata and . Iyon Maryono},
         journal = {International Seminar on Innovation in Mathematics and Mathematics Education},
            year = {2014},
           title = {Implementation Of Project Based Learning As An Effort To Improve 
Student?s  Strategic Competence And Productive Dispotition},
             url = {http://eprints.uny.ac.id/24284/}
}