Agenda 21 for the travel & tourism industry towards environmentally sustainable development.

Agenda 21 for the travel & tourism industry towards environmentally sustainable development.

التفاصيل البيبلوغرافية
مؤلفون مشاركون: United Nations Conference on Environment and Development Rio de Janeiro, Brazil, World Travel & Tourism Council, World Tourism Organization, Earth Council
التنسيق: كتاب
اللغة:English
منشور في: [Brazil WTTC 1992].
الموضوعات:
Tourism > Congresses.