TY  - BOOK
AU  - Velasquez, Carmen C. Asis, Consuelo V.
TI  - Modern biology: with biology investigations
SN  - 971-08-5467-4
U1  - FIL 577 V45 1993 
PY  - 1993///
CY  - Manila, Philippines
PB  - National Book Store
ER  -