TY  - BOOK
AU  - Ditan, Carolina D. 
TI  - Introduction to biological science
SN  - 971-08-6613-3
U1  - Fil. 570 Di615 2014 
PY  - 2014///
CY  - Mandaluyong City
PB  - National Book Store
KW  - Biology
N1  - Includes bibliographies
ER  -