New thinking in schools mathematics 
Organisation for Economic Co-operation and Development 
 - Paris  Organisation for Economic Co-operation and Development  1961 
 - 246p.  24cm. 
<br/><br/>Includes bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Study and teaching
<br/><br/><label>LC Class. No.: </label>MATH QA11.074