TY  - BOOK
AU  - Realuyo, Zenaida M.
AU  - 
AU  - Cariño, Virginia S. jt author.
TI  - Basic concepts of biological science
SN  - 971-150-082-5
U1  - 574 R288 1990 
CY  - Manila
PB  - Katha Pub.
KW  - Biology
ER  -