TY  - BOOK
AU  - Hopkin, John
AU  - Morris, John
TI  - Environmental issues: teachers' notes and activity sheets 
U1  - 333.7 
PY  - 1987///
CY  - London
PB  - Heineman Educational Books
KW  - Environment
KW  - Study and teaching
N1  - Loose Leaf
ER  -