Agenda 21 programme of action for sustainable development ; Rio Declaration on Environment and Development ; Statement of Forest Principles
| مؤلف مشترك: | |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
New York, N.Y.
United Nations Dept. of Public Information
1997.
|
| الموضوعات: |