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- [7] PLANNING FOR LEISURE TRAVEL PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS, 1972, 51 (NFEB): : 409 - &
- [10] The Research of Global Cities Tourists' Leisure Travel Barriers in Beijing's Urban Core Area INTERNATIONAL CONFERENCE ON ENGINEERING AND BUSINESS MANAGEMENT (EBM2011), VOLS 1-6, 2011, : 2828 - +