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

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

書誌詳細
共著者: United Nations Conference on Environment and Development Rio de Janeiro, Brazil, World Travel & Tourism Council, World Tourism Organization, Earth Council
フォーマット: 図書
言語:English
出版事項: [Brazil WTTC 1992].
主題:
Tourism > Congresses.