TY  - BOOK
AU  - Pereira,Desmond P.,ed
TI  - Focus on environment
U1  - 304.28095957 
PY  - 1979///
CY  - Singapore
PB  - Select Book
KW  - Human ecology
KW  - Man
KW  - Influence of environment
N1  - "These are papers presented at the symposium on education for the environment: implications for the future development of Singapore on 19th May 1978
ER  -