TY  - BOOK
T1  - A sourcebook for science supervisors.
DA  - [1967]
CY  - Washington,
AU  - Harbeck, Mary Blatt.
CN  - Q181
CN  - Q181
PB  - National Science Supervisors Association, a section of the National Science Teachers Association
PP  - Washington,
PY  - [1967]
N1  - Later ed. (c1976) entered under title: 2nd sourcebook for science supervisors.
ID  - 58452
KW  - Science teachers.
KW  - Science
TI  - A sourcebook for science supervisors.
ER  -