TY  - BOOK
AU  - David,Oliver M.
AU  - Albano,Pia Marie
TI  - Earth and life science: for senior high school / 
SN  - 9789714612921
U1  - 550 Second edition. 
PY  - 2019///
CY  - Makati City: 
PB  - Diwa Learning Systems, Inc. , 
KW  - Earth and life science.
KW  - For senior high school.
N1  - includes bibliography
ER  -