Schaaf, William L. <br/><br/>
Basic concepts of elementary mathematics / 
William L. Schaaf 
 - 2nd ed. 
 - New York:  John Wiley ans Sons,  c1965. 
 - 384p.:  table, figs., ill.;  21 cm. 
<br/><br/>Includes bibliographical reference and index 
<br/><br/>
<br/><br/><br/>English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510/SCB