Submitted on: 30 March 2008.
Revised on: 15 April 2008.
Accepted on: 30 April 2008.
SYSTEMS RESEARCH AND BEHAVIORAL SCIENCE
Submitted on: 28 February 2009.
Revised on: 24 March 2009.
Accepted on: 05 April 2009.
SYSTEMS RESEARCH AND BEHAVIORAL SCIENCE
Submitted on: 18 June 1998.
Revised on: 23 July 1998.
Accepted on: 06 August 1998.
SYSTEMS RESEARCH AND BEHAVIORAL SCIENCE
http://reply.papertrans.cn/3/292/29149/29149-14.png
Submitted on: 19 December 2019.
Revised on: 12 January 2020.
Accepted on: 20 January 2020.
SYSTEMS RESEARCH AND BEHAVIORAL SCIENCE
http://reply.papertrans.cn/3/292/29149/29149-16.png
Submitted on: 09 December 2023.
Revised on: 29 December 2023.
Accepted on: 14 January 2024.
SYSTEMS RESEARCH AND BEHAVIORAL SCIENCE
http://reply.papertrans.cn/3/292/29149/29149-18.png
Submitted on: 22 October 2008.
Revised on: 20 November 2008.
Accepted on: 29 November 2008.
SYSTEMS RESEARCH AND BEHAVIORAL SCIENCE
http://reply.papertrans.cn/3/292/29149/29149-20.png