TY  - BOOK
AU  - Butts, David
AU  - 
TI  - Teaching of science: a self-directed planning guide
U1  - 501(07) 
PY  - 1974///
CY  - New York
PB  - Harper and Row
KW  - Science
KW  - Chemistry
KW  - Pure sciences
KW  - Natural sciences
KW  - Teaching of science
ER  -