Problem solving:  the school mathematics project 

 - Cambridge:  Cambridge University Press,  1991 
 - 106p.;  25cm. 
<br/><br/><label>ISBN: </label>0521388449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / PRO