Parallel curriculum units for science, grades 6-12 /
Jann H. Leppien, Jeanne H. Purcell, editors.
- Thosand Oaks, California : Corwin, c2011.
- 229 p. ; 28 cm.
Science--Study and teaching (middle school).
Science--Study and teaching (secondary).
Science--Study and teaching (middle school).
Science--Study and teaching (secondary).