About the Authors
- Shih-Yung Wei
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Roles Formal analysis
Affiliation School of Mathematics & Statistics, Shaoguan University, Shaoguan City, Guangdong, China
- Li-Wei Lin
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Roles Conceptualization
* E-mail: linlw1982@gmail.com
Affiliation College of Business Administration, Fujian Jiangxia University, Fuzhou City, Fujian, China
Competing Interests
The authors have declared that no competing interests exist.