Doc5 - Universitas Negeri Yogyakartastaffnew.uny.ac.id/upload/198001032009122001/... · PROCEEDING...
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Doc5 - Universitas Negeri Yogyakartastaffnew.uny.ac.id/upload/198001032009122001/... · PROCEEDING Yogyakarta, 18-20 May 2014 Global Trends and Issues on Mathematics and Sciences