By Flapan Erica   in The College Mathematics Journal

ISSN:1931-1346|42|5|350-354

Mathematical Association of America‎(2011)‎

Access to resources Favorite 21.261326

By Chambers Dwayne   Flapan Erica   in Symmetry

ISSN:2073-8994|6|2|189-209

MDPI‎(2014)‎

Access to resources Favorite 17.00906