Posamentier, Alfred S <br/><br/>
Challenging problem in algebra   
by Alfred S Posamentier and Charles T Salking 
 - New York  Dover publication, Inc.  1988 
 - x, 262p 
<br/><br/><label>ISBN: </label>100486691489 
<br/><br/><label>Dewey Class. No.: </label>512.076  / N88