TY  - BOOK
AU  - Barker,Charmain
TI  - Science perspectives 9
PY  - 2010///
CY  - Toronto, Ontario
PB  - Nelson Education
KW  - Science
KW  - Study and teaching (Secondary)
KW  - Ontario
KW  - Textbooks
KW  - Education, Secondary
KW  - Experiments
N1  - Includes index and glossary; Grade 9
ER  -