TY  - BOOK
AU  - Andaya, Cynthia V.
AU  - Baguio, Saranay M.
TI  - Understanding the earth through environmental science
SN  - 978-971-584-704-9
AV  - 577 An22 
PY  - 2008///
CY  - Quezon City
PB  - C&E Pub
ER  -