Engel, Arthur <br/><br/>
Problem-solving strategies / 
Arthur Engel 
 - New York :  Springer-Verlag,  1998 
 - 403 p. :  ill. ;  24 cm. 
 - Problem books in mathematics .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0387982191  RM159.12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving