TY  - BOOK
AU  - Andaya, Cynthia V.,
AU  - Baguio,Saranay M.
TI  - Understanding the earth through environmental science
SN  - 9789715847049
U1  - 363.7  
PY  - 2008///
CY  - Quezon City
PB  - C & E Publishing.
KW  - Environmental sciences.
KW  - Human ecology
KW  - Environmental protection.
KW  - Ecology.
KW  - Pollution.
ER  -