http://reply.papertrans.cn/2/126/12581/12581-31.png
http://reply.papertrans.cn/2/126/12581/12581-32.png
Submitted on: 28 July 2019.
Revised on: 18 November 2019.
Accepted on: 28 November 2019.
___________________INFORMATION SYSTEMS FRONTIERS---SPRINGER
Submitted on: 25 June 1999.
Revised on: 11 September 1999.
Accepted on: 04 November 1999.
___________________INFORMATION SYSTEMS FRONTIERS---SPRINGER
http://reply.papertrans.cn/2/126/12581/12581-35.png
Submitted on: 04 November 2019.
Revised on: 29 December 2019.
Accepted on: 12 February 2020.
___________________INFORMATION SYSTEMS FRONTIERS---SPRINGER