By Yap Shirley Llamado   in American Mathematical Monthly

ISSN:1930-0972|116|3|261-267

Mathematical Association of America‎(2009)‎

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By Yap Shirley Llamado   in Mathematics Magazine

ISSN:1930-0980|83|1|3-14

Mathematical Association of America‎(2010)‎

Access to resources Favorite 25.726318