TY  - BOOK
AU  - Jann H. Leppien
TI  - Parallel curriculum units for science, grades 6-12 
SN  - 9781412965422
AV  - LB1 585  .P365 2011  
U1  - TR 372.35  
PY  - 2011///
CY  - Thousand Oaks, Calif.
PB  - Corwin
KW  -  Science--Study and teaching (middle school)
N1  - Teachers; 860L-920L
ER  -