TY  - BOOK
AU  - Vengco,LIlia G.
AU  - Religioso, Teresita F. , 
AU  - Navaza, Delia Cordero, 
TI  - You and the natural world science 7 : 
SN  - 9789710633678
U1  - 500 
PY  - 2013///
CY  - Quezon City: 
PB  - Phoenix Publishing House, 
KW  - Science
KW  - Study and teaching
KW  - For secondary education.
N1  - "K to12 curriculum compliant" -  cover; includes glossary, index, and photo credits;
ER  -