TY  - BOOK
ED  -  Workshop on Environmental Planning Guidelines for Strategies and Pla ns 
ED  -  Commission on Environmental Planning.
ED  -  United Nations University.
TI  -  Workshop on Environmental Planning Guidelines for Strategies and Pla ns : : proceedings on environmental planning approaches to the prepara tion of conservation strategies and plans for sustainable development, Turrialba, Costa Rica, 16-19 March 1981
PY  - 1981///
CY  -  Turrialba : 
PB  -  CATIE, 
KW  -  Environmental policy
KW  -  Congresses
ER  -