Leslie, John F. <br/><br/>
Core mathematics   
by John F. Leslie, Larry L. Whitworth. 
 - Illinois  Scott, Foresman & Company  1970 
 - 309p. 
<br/><br/><label>LCCN: </label>70-96461 
<br/><br/><label>Dewey Class. No.: </label>510  / N7012