TY  - BOOK
AU  - Allas, Ian Mark F. 
AU  - Espinosa, Allen A.
AU  - Lorenzo, Aloysius D. 
TI  - Discover science 9
SN  - 9789714605732
U1  - 500/Al526 23
PY  - 2014///
CY  - Makati City, Philippines
PB  - DIWA Learning Systems Inc., 
KW  - Science
N1  - Includes bibliographical references and index; HS
ER  -