Integrated science /
=Erlinda Y.= Basa ... =et al.=.
- 3rd ed.
- =s.l.= : Diwa Schlostic Press, c1999.
- 297 p. : ill.
- Science and technology for a better life ; 1 .
Includes index and bibliography.
971480289X
Science--Study and teaching (Secondary)--Philippines.
Includes index and bibliography.
971480289X
Science--Study and teaching (Secondary)--Philippines.