TY  - BOOK
AU  - Deauna,Melecio C.
AU  - Dorado,Salvacion Lindio
TI  - Environmental science for Philippine Schools
SN  - 971-06-1998-5
U1  - 363.7 
CY  - Q.C.
PB  - Phoenix Publ. Hse.
KW  - Environment
KW  - Ecology
KW  - Environmental protection
ER  -