TY  - BOOK
AU  - Ditan,Carolina D.
TI  - Introduction to Biological Science
SN  - 971085673
AV  - QH308.2 D634 1994
PY  - 1994///
CY  - Mandaluyong City
PB  - National Bookstore
KW  - Biology
KW  - Biology--Problems, exercises, etc
N1  - includes bibliography
ER  -