TY  - BOOK
AU  - Boyd, Joe
AU  - Whitelaw, Walter
TI  - Understanding Science 2 : Teachers Resource Book
SN  - 0-7195-4624-9
U1  - 507 
PY  - 1990///
CY  - London
PB  - John murray
KW  - Science Teaching
KW  - Teachers instructional manual
KW  - Science
ER  -