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- [8] Using the 2017 National Household Travel Survey Data to Explore the Elderly's Travel Patterns INTERNATIONAL CONFERENCE ON TRANSPORTATION AND DEVELOPMENT 2020 - PLANNING AND DEVELOPMENT, 2020, : 86 - 94
- [9] Multimodal travel and the poor: evidence from the 2009 National Household Travel Survey TRANSPORTATION LETTERS-THE INTERNATIONAL JOURNAL OF TRANSPORTATION RESEARCH, 2014, 6 (01): : 36 - 45