Hongjun Qiu, Linong Dai. Design and Strategy of Senior Tourism Under the Background of Population Aging. In Nancy J. Lightner, Jay Kalra, editors, Advances in Human Factors and Ergonomics in Healthcare and Medical Devices - Proceedings of the AHFE 2019 International Conference on Human Factors and Ergonomics in Healthcare and Medical Devices, Washington, DC, USA, July 24-28, 2019. Volume 957 of Advances in Intelligent Systems and Computing, pages 314-323, Springer, 2019. [doi]