TY  - BOOK
AU  - Galang,Angelina P.
TI  - Seven lenses: or environmental principles as if adults mattered 
SN  - 971-569-460-8
U1  - 363.7/Se497 
PY  - 2003///
CY  - Makati City
PB  - Bookmark
KW  - Environmental education
KW  - Environmental sciences
N1  - Bibliography: pages 155-158
ER  -