TY  - BOOK
AU  - Santiago, Florenda I. 
TI  - Environmental science : a shared responsibility towards the earth
SN  - 978-971-23-2026-2 (pbk.)
PY  - 1996///
CY  - Manila
PB  - Rex
KW  - Environmental sciences
KW  - Earth sciences
N1  - Includes bibliography, glossary & index
ER  -