School mathematics Research Foundation John N <br/><br/>
Mathematics for today and tomrrow 

 -  1967 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>60905 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B, K7.2