Rosenthal, Evelyn B <br/><br/>
Understanding the new mathematic 
/ Evelyn B. Rosenthal. 
 - New York  Hawthorn Books  [1969 c1965] 
 - 240 p.  illus. 
<br/><br/> First published in 1965 under title: Understanding the new mathematics. 
<br/><br/>Bibliography: p. 239-240. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--1901-<br/>Mathematics