TY  - BOOK
AU  - Realuyo, Zenaida M.
AU  - Cariño, Virginia S. 
TI  - Basic concepts of biological science
SN  - 9715740618 
U1  - Fil 570 R229 2003  
PY  - 2003///.
CY  - Quezon City
PB  - Katha Pub.
KW  - Biology.
N1  - Includes bibliographical references and index
ER  -