TY  - BOOK
AU  - Aird, Dina
TI  - Teaching Physical Science: A Manual for Teachers, Standards 2, 3, and 4
SN  - 0333593685
U1  - 507 AIR DC20
PY  - 1992///
CY  - London
PB  - Macmillan
KW  - Science-Study and Teaching
ER  -