TY  - BOOK
AU  - Sunal,Cynthia S.
AU  - Haas,Mary E.
TI  - Social studies for the elementary and middle grades: a constructivist approach 
SN  - 0205412580
PY  - 2005///
CY  - Boston
PB  - Pearson/Allyn and Bacon
KW  - Social sciences
KW  - Study and teaching (Elementary)
KW  - United States
KW  - Study and teaching (Middle school)
KW  - Constructivism (Education)
N1  - Includes bibliographical references and index
ER  -