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Proceedings of the 28th Conference of the International Group for the Psychology of Mathematics Education
International Group for the Psychology of Mathematics Education. Conference (28th : 2004 : Bergen Norway)
其他書名
PME 28
出版Bergen University College, 2004
URLhttp://books.google.com.hk/books?id=0r8BjwEACAAJ&hl=&source=gbs_api