Elementary science methods :
Martin, David Jerner
Elementary science methods : a constructivist approach / David Jerner Martin - 6th ed. - Belmont, CA : Thomson/Wadsworth, 2012 - 477 p. : ill.
9781111305437 / 9150.00
Science--Study and teaching (Elementary)--United States
Constructivism (Education)--United States
LB1585.3 / M376 E6 2012
Elementary science methods : a constructivist approach / David Jerner Martin - 6th ed. - Belmont, CA : Thomson/Wadsworth, 2012 - 477 p. : ill.
9781111305437 / 9150.00
Science--Study and teaching (Elementary)--United States
Constructivism (Education)--United States
LB1585.3 / M376 E6 2012

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