TY  - BOOK
AU  - Martin,David Jerner
TI  - Elementary science methods: a constructivist approach 
SN  - 9781111305437
AV  - LB 1585.3 .M37 2012
PY  - 2012///
CY  - Belmont, CA
PB  - Wadsworth, Cengage Learning
KW  - Science
KW  - Study and teaching (Elementary)
KW  - United States
KW  - Constructivism (Education)
N1  - Includes bibliographical references (p. [447]-464) and index
UR  - http://www.loc.gov/catdir/enhancements/fy1303/2011920545-b.html
UR  - http://www.loc.gov/catdir/enhancements/fy1303/2011920545-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy1303/2011920545-t.html
ER  -