TY  - BOOK
TI  - High school science today. --
SN  - 9789714600973 (Fisrt Year)
U1  - 500/H537 23
PY  - 2009///
CY  - Makati City, Philippines
PB  - Diwa Learning Systems Inc.
KW  - Science
N1  - [1] first Year - - [2] Second Year - - [3] Third Year - - [4] Fourth Year; HS
ER  -