TY  - BOOK
AU  - Santiago, Florenda I.
AU  - Dorado, Salvacion L. ; Contreras, Lourdes E. ; Aquino, Ma. Salvacion G. ; Retondo, Elsinor P. ; Lamorena, Melchora B. ;
TI  - Environmental science : a shared responsibility towards the earth
SN  - 971-23-2026-x
U1  - Fil 363.7 Sa5e 
CY  - Manila 
KW  - Environmental sciences
ER  -