Funding for this research was provided by:
National Natural Science Foundation of China (51878214)
State Key Laboratory of Urban Water Resource and Environment (2019TS03)
Senter for Internasjonalisering av Utdanning (UTF-2016-longterm/ 10042)
Article History
Received: 11 March 2020
Accepted: 17 August 2020
First Online: 24 August 2020