Submitted on: 30 August 2009.
Revised on: 11 October 2009.
Accepted on: 06 November 2009.
___________________JOURNAL OF ORGANIZATIONAL COMPUTING AND ELECTRONIC COMMERCE
http://reply.papertrans.cn/2/186/18503/18503-32.png
http://reply.papertrans.cn/2/186/18503/18503-33.png
http://reply.papertrans.cn/2/186/18503/18503-34.png
Submitted on: 11 January 2002.
Revised on: 25 March 2002.
Accepted on: 21 April 2002.
___________________JOURNAL OF ORGANIZATIONAL COMPUTING AND ELECTRONIC COMMERCE
http://reply.papertrans.cn/2/186/18503/18503-36.png