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Authors
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Funding
Funding for this research was provided by:
Middle-aged and Young Teachers' Basic Ability Promotion Project of Guangxi (2017KY0719)
The National Natural Science Foundation of Guangxi (2017GXNSFBA198225)
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Article History
Received: 25 July 2020
Accepted: 14 September 2020
First Online: 23 September 2020
Compliance with ethical standards
:
: The authors declare no competing financial interest.
