http://reply.papertrans.cn/1/82/8165/8165-11.png
Submitted on: 03 April 2015.
Revised on: 04 May 2015.
Accepted on: 03 June 2015.
___________________Ekonomia i Srodowisko-Economics and Environment
Submitted on: 13 December 2004.
Revised on: 08 February 2005.
Accepted on: 18 March 2005.
___________________Ekonomia i Srodowisko-Economics and Environment
Submitted on: 12 December 2007.
Revised on: 27 January 2008.
Accepted on: 17 March 2008.
___________________Ekonomia i Srodowisko-Economics and Environment
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Submitted on: 20 December 2000.
Revised on: 19 March 2001.
Accepted on: 05 May 2001.
___________________Ekonomia i Srodowisko-Economics and Environment
Submitted on: 18 October 2022.
Revised on: 09 January 2023.
Accepted on: 07 March 2023.
___________________Ekonomia i Srodowisko-Economics and Environment
Submitted on: 10 February 2009.
Revised on: 07 April 2009.
Accepted on: 06 May 2009.
___________________Ekonomia i Srodowisko-Economics and Environment
Submitted on: 08 December 2006.
Revised on: 10 January 2007.
Accepted on: 24 February 2007.
___________________Ekonomia i Srodowisko-Economics and Environment
Submitted on: 08 April 1998.
Revised on: 27 July 1998.
Accepted on: 20 August 1998.
___________________Ekonomia i Srodowisko-Economics and Environment