TY  - BOOK
AU  - Ditan, Carolina Desamero
TI  - Introduction to biological science
SN  - 971-08-5673-1
U1  - M 574 D634 1994 
PY  - 1994///
CY  - Philippines
PB  - National Book Store. Inc
KW  - Introduction to Biological Science
N1  - Includes Bibliography
ER  -