TY  - BOOK
AU  - Melchor,Marciano B.
TI  - Introduction to biology
SN  - 9789712348730
U1  - 570 M518 2007 
PY  - 2007///
CY  - Manila
PB  - Rex Book Store
KW  - Biology
KW  - Study and teaching
N1  - Includes index; Bibliography: p. 131-133
ER  -