TY  - BOOK
AU  - Ditan, Carolina Desamero 
TI  - Introduction to biological science / 
SN  - 9710856731
U1  - FIL 570 D63i 1994 
PY  - 1994///
CY  - Mandaluyong City
PB  - [s.n.]
KW  - Biological science
N1  - Bibliography: pages 219-220
ER  -