Submitted on: 14 February 2009.
Revised on: 20 March 2009.
Accepted on: 04 April 2009.
OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE
Submitted on: 24 August 2018.
Revised on: 03 October 2018.
Accepted on: 25 October 2018.
OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE
http://reply.papertrans.cn/3/236/23574/23574-13.png
Submitted on: 10 September 2019.
Revised on: 24 October 2019.
Accepted on: 13 November 2019.
OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE
http://reply.papertrans.cn/3/236/23574/23574-15.png
http://reply.papertrans.cn/3/236/23574/23574-16.png
http://reply.papertrans.cn/3/236/23574/23574-17.png
Submitted on: 15 January 2021.
Revised on: 24 February 2021.
Accepted on: 23 March 2021.
OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE
http://reply.papertrans.cn/3/236/23574/23574-19.png
http://reply.papertrans.cn/3/236/23574/23574-20.png