Sun, Ping
Chen, Yurun
Yan, Mingguo
Tang, Tingting
Funding for this research was provided by:
National Natural Science Foundation of China (61701050)
Project of Sichuan Provincial Department of Education (2018Z073)
Scientific research found of Chengdu University of Information Technology (KYTZ201704)
Article History
Received: 14 April 2019
Accepted: 30 May 2019
First Online: 10 June 2019