TY  - BOOK
AU  - Sands M.K.
AU  - Hull R.A.
TI  - Teaching science:  Sands, M. K
SN  - 0-333-37821-0
U1  - 507  
PY  - 1987///
CY  - Hong Kong
PB  - Macmillan ltd
KW  - Science--Study and teaching (Secondary)
ER  -