Herr, N. (2008). The sourcebook for teaching science: Strategies, activities, and instructional resources : grades 6-12. Corwin.
Cita Chicago Style (17a ed.)Herr, Norman. The Sourcebook for Teaching Science: Strategies, Activities, and Instructional Resources : Grades 6-12. Thousand Oaks, California: Corwin, 2008.
Cita MLA (9a ed.)Herr, Norman. The Sourcebook for Teaching Science: Strategies, Activities, and Instructional Resources : Grades 6-12. Corwin, 2008.
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