Submitted on: 18 June 2012.
Revised on: 14 July 2012.
Accepted on: 08 August 2012.
___________________European Management Journal---ELSEVIER SCI LTD
http://reply.papertrans.cn/1/94/9334/9334-12.png
http://reply.papertrans.cn/1/94/9334/9334-13.png
http://reply.papertrans.cn/1/94/9334/9334-14.png
http://reply.papertrans.cn/1/94/9334/9334-15.png
Submitted on: 13 September 2010.
Revised on: 24 October 2010.
Accepted on: 17 December 2010.
___________________European Management Journal---ELSEVIER SCI LTD
http://reply.papertrans.cn/1/94/9334/9334-17.png
Submitted on: 08 January 2006.
Revised on: 06 April 2006.
Accepted on: 17 April 2006.
___________________European Management Journal---ELSEVIER SCI LTD
http://reply.papertrans.cn/1/94/9334/9334-19.png
http://reply.papertrans.cn/1/94/9334/9334-20.png