TY  - BOOK
AU  - Deauna, Melecio C.
AU  - Dorado, Salvacion Lindio
TI  - Environmental science: : for Philippine schools: textbook
SN  - 971-06-1998-5
U1  - DFil 577 2003
PY  - 2003///
CY  - Quezon City
PB  - Phoenix Publishing House, Inc.
KW  - Environmental sciences
KW  - Ecology
N1  - Includes bibliographical references and index
ER  -