TY  - BOOK
AU  - De Regla,Editha N.
AU  - Duay,Butch Stephen C.
TI  - Biological science
SN  - 9789710143849
U1  - 570 
PY  - 2015///
CY  - Bulacan
PB  - St. Andrew Publishing House
KW  - Biological science
N1  - Includes bibliography
ER  -