By Carroll Maureen T.   Dougherty Steven T.   Perkins David   in Mathematics Magazine

ISSN:1930-0980|86|4|239-254

Mathematical Association of America‎(2013)‎

Access to resources Favorite 10.547451

By Carroll Maureen T.   Rykken Elyn K.   Sorensen Jody M.   in The College Mathematics Journal

ISSN:1931-1346|41|1|60-63

Mathematical Association of America‎(2010)‎

Access to resources Favorite 9.475569