http://reply.papertrans.cn/1/78/7719/7719-21.png
Submitted on: 06 November 2020.
Revised on: 09 January 2021.
Accepted on: 30 January 2021.
___________________E & M Ekonomie a Management---TECHNICAL UNIV LIBEREC
http://reply.papertrans.cn/1/78/7719/7719-23.png
http://reply.papertrans.cn/1/78/7719/7719-24.png
Submitted on: 27 July 2005.
Revised on: 03 September 2005.
Accepted on: 27 September 2005.
___________________E & M Ekonomie a Management---TECHNICAL UNIV LIBEREC
http://reply.papertrans.cn/1/78/7719/7719-26.png
http://reply.papertrans.cn/1/78/7719/7719-27.png
Submitted on: 06 August 2010.
Revised on: 29 November 2010.
Accepted on: 13 December 2010.
___________________E & M Ekonomie a Management---TECHNICAL UNIV LIBEREC
http://reply.papertrans.cn/1/78/7719/7719-29.png
http://reply.papertrans.cn/1/78/7719/7719-30.png