By Ding Jiu   in International Journal of Mathematical Education in Science and Technology

ISSN:1464-5211|37|3|369-375

Taylor & Francis Ltd‎(2006)‎

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By Ding Jiu   Wang Zizhong   in The College Mathematics Journal

ISSN:1931-1346|40|5|361-368

Mathematical Association of America‎(2009)‎

Access to resources Favorite 13.093672