TY  - BOOK
AU  - Santos,Gil Nonato
AU  - Danac,Alfonso
TI  - Transforming learning approach : : O-Biology II observing  biology / 
SN  - 9789712351907
U1  - 570 
PY  - 2009///
CY  - Manila: 
PB  - Rex Book Store, Inc., 
KW  - Observing biology.
KW  - For secondary high school.
N1  - includes glossary, bibliography and index.
ER  -