TY  - BOOK
AU  - Pedregosa, Elma F.
AU  - Samia, Ella R., jt. a.
TI  - Integrated science: : technology 1
SN  - 9715141102
PY  - 1990///
CY  - Quezon City
PB  - FNB Educational
KW  - Science
KW  - study and teaching (secondary)
N1  - Reprinted by FNB Educational, Inc., 1996; SEDP based
ER  -