What are the books on media and tourism?

As academic works, Zhao Jianguo and others' theories of tourism communication include: First, the theoretical system of tourism communication is preliminarily constructed. Secondly, some new ideas are put forward independently. This book holds that physical communication needs no symbols, practical communication needs a mixture of non-symbols and symbols, and code communication belongs to pure symbol communication. Other valuable viewpoints focus on the characteristics of tourism communication. In addition, the book is also a new perspective and new insight into Yu's unique contribution to contemporary tourism communication and the idea of "harmony between man and nature" in his cultural prose. Thirdly, some enlightening new terms are summarized.