TY  - BOOK
AU  - Perez-Payawal, Ruthela G.
TI  - Biological science: a practical approach 
SN  - 9789719525561
AV  - Allied FIL QH 308.7 P39 2013
PY  - 2013///
CY  - Manila
PB  - Rajah Publishing
KW  - Biology
KW  - Study and teaching
KW  - Science
N1  - Includes bibliographical references
ER  -