商贸流通业成长的产业关联演变与关键路径识别——以我国住宿和餐饮业为例的研究
상무류통업성장적산업관련연변여관건로경식별——이아국주숙화찬음업위례적연구
Industry Relevancy Evolution and Key Path Identification in Commercial Circulation Industry Development: Case Study on China's Hotel and Catering Industry