Schoenfeld, Alan H <br/><br/>
Mathematical problem solving. 

 - Orlando   Academic Press    1985 
 - xvi, 409 p. 
<br/><br/><label>ISBN: </label>0-12-628871-2. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> exercises<br/> Mathematics--problems<br/> Problem solving--Study and teaching<br/>Mathematics<br/>Problem solving
<br/><br/><label>LC Class. No.: </label>QA63.S35