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Design of New Elderly Care Service Acquisition Mode from th..:

Ding Yi ; Zhang Zhe ; Yang Meiyun.
https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/51/e3sconf_eilcd2021_03003.pdf.  , 2021
Link: https://doi.org/10.1051/e3sconf/202127503003