About the Authors
- Jin Lu
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Roles Conceptualization, Formal analysis, Methodology, Resources, Visualization, Writing – original draft
Affiliation Guangdong Key Laboratory of Big Data Intelligence for Vocational Education, Shenzhen Polytechnic University, Shenzhen, Guangdong, China
- Ji Li
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Roles Data curation, Investigation, Methodology, Software, Writing – review & editing
* E-mail: liji@szpu.edu.cn
Affiliation Research Management Office, Shenzhen Polytechnic University, Shenzhen, Guangdong, China
Competing Interests
The authors have declared that no competing interests exist.