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pro vyhledávání: '"Wang-Jyi Horng"'
Autor:
Ching-Huei Chen, Wang-Jyi Horng
Publikováno v:
International Journal of Business Studies and Innovation. 2:37-42
At the beginning of 2021, the Covid-19 epidemic became a pandemic around the world. In 2022, Taiwan entered the post-epidemic era. Taiwanese people went to drugstores to buy many healthcare products that can improve physical strength and immunity. In