TY  - BOOK
AU  - Duyanen, Joselito P.
AU  - Ortiz-Andaya, Mylene.
TI  - Earth and life sciences for senior high school 
SN  - 978-971-9805-50-2
AV  - FIL  QE 26.2 .D89 2016 
PY  - 2016///
CY  - Quezon City
PB  - C & E Publishing Inc., 
KW  - Earth science
N1  - Includes glossary, bibliography and index.
ER  -