Enrichment Mathematics for High School / National Council of Teachers of Mathematics

Enrichment Mathematics for the Grades / National Council of Teachers of Mathematics

On teaching mathematics / under the chaurmanship of Bryan Thwaites

by Thwaites, Bryan

Mathematics / David Bergamini

by Bergamini, David

La Revolución en las Matemáticas Escolares / Consejo Nacional de Maestros de Matemáticas de los Estados Unidos de América

Enseñanza de la matemática / Fausto I. Toranzos

by Toranzos, Fausto I.

Discovery in Mathematics / Robert B. Davis

by Davis, Robert B.