Voluntary initiatives for sustainable tourism worldwide Inventory and comparative analysis of 104 eco-labels, awards and self-commitments
| 企业作者: | |
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| 格式: | 图书 |
| 语言: | 英语 |
| 出版: |
Madrid
World Tourism Organization
c2002.
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| 主题: |
| 企业作者: | |
|---|---|
| 格式: | 图书 |
| 语言: | 英语 |
| 出版: |
Madrid
World Tourism Organization
c2002.
|
| 主题: |