| http://www.w3.org/ns/prov#value | - First Comprehensive Travelers' Philanthropy Handbook ??? Published in 2011 by the Center for Responsible Travel (CREST), this 260-page book is free for download, or can be purchased in hardcover version for $35.Policy and Practice for Global Tourism - Published in March 2011 by the U.N. World Tourism Organization, this book is a guide to the major themes in world tourism today.
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