TY  - BOOK
AU  - Trowbridge, Leslie W.
AU  - Bybee, Roger W. y Powell, Janet Carlson
TI  - Teaching secondary school science
SN  - 013977372X
AV  - Q 183 T863t 2000 
PY  - 2000///
CY  - New Jersey
PB  - Upper saddle river
ER  -