TY  - BOOK
AU  - Castillejos, Ma. Ana B. 
TI  - Science : : grade 9 
SN  - 9789716895865
U1  - Fil. 500 S416 2015 
PY  - 2015///
CY  - Sta. Ana, Manila : 
PB  - Vicarish Publication and Trading ; 
KW  - 1. Science
N1  - Includes glossary
ER  -