TY  - BOOK
ED  - UNESCO.
TI  - Trends in environmental education
SN  - 9231014013
AV  - GF26 .T73
U1  - 301.31/07/1 
PY  - 1977///
CY  - Paris
PB  - Unesco
KW  - Environmental education
KW  - Congresses
N1  - Revisions of papers originally presented at an international workshop held in Belgrade, October 13-22, 1975; Includes bibliographies
ER  -