Phygital IntelligenceChao Yan, Hua Chai, Tongyue Sun, Philip F. Yuan · First published 2024Open the Tome
Proceedings of the 2021 DigitalFUTURESPhilip F. Yuan, Hua Chai, Neil Leach, Chao Yan · First published 2021Open the Tome
Demographics, Pension Systems and the Saving-Investment BalanceHua Chai, Jun Il Kim · First published 2018Open the Tome
Yi ben shu du tong zhong wai jing dianZhang rong hua, Chai shao fei · First published 2010Open the Tome
