Primary research on integrated development of intangible cultural heritage and tourism 并列题名：Primary research on integrated development of intangible cultural heritage and tourism Digital protection and development of intangible cultural heritage Study of archival value and development of intangible cultural heritage Empirical research on trademark protection of intangible cultural heritage Research on the development of China's culture and tourism 并列题名：Research on the development of China's culture and tourism 并列题名：Study of archival value and development of intangible cultural heritage Research on legal protection of intangible cultural heritage 并列题名：Digital protection and development of intangible cultural heritage