Sunal, Cynthia S. <br/><br/>
Social studies for the elementary and middle grades :  a constructivist approach / 
Cynthia Szymanski Sunal, Mary Elizabeth Haas 
 - 2nd ed. 
 - Boston :  Pearson/Allyn and Bacon,  2005 
 - xvi, 504 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0205412580  RM255.88 
<br/><br/><label>LCCN: </label>2004-047843 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Study and teaching (Elementary)--United States<br/>Social sciences--Study and teaching (Middle school)--United States<br/>Constructivism (Education)--United States