TY  - BOOK
AU  - Butts, David
TI  - The teaching of science: a self -directed planning guide
SN  - 060411023
U1  - 371.102 
PY  - 1974///
CY  - New York
PB  - Harper & Row Publishers
KW  - Education
KW  - Science teaching
KW  - Teaching
ER  -