Youth in environmental action : an international survey
1987
World Conservation Strategy
Conservation with equity : strategies for sustainable development : proceedings of the Conference on Conservation and Development : implementing the World Conservation Strategy, Ottawa, Canada, 31 May - 5 June 1986
1987
Jacobs, Peter |
Munro, David A. |
World Conservation Strategy : a programme for youth : manual for youth environmental programmes
1986
Berkmüller, Klaus |
Monroe, Martha C. |
Wildlife for man : how and why we should conserve our species
1986
Fitter, Richard Sidney Richmond |
Human populations and the World Conservation Strategy
1987
Hanks, J. |