Krulik, Stephen <br/><br/>
Reasoning and problem solving :  a handbook for elementary school teachers / 
Stephen Krulik, Jesse A. Rudnick 
 - Boston :  Allyn and Bacon,  1993 
 - 361 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0205140068 
<br/><br/><label>LCCN: </label>92-034069 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving--Study and teaching<br/>Mathematics--Study and teaching (Elementary)