Submitted on: 25 November 2001.
Revised on: 12 January 2002.
Accepted on: 10 March 2002.
___________________Inzinerine Ekonomika-Engineering Economics
Submitted on: 30 May 2010.
Revised on: 31 July 2010.
Accepted on: 20 September 2010.
___________________Inzinerine Ekonomika-Engineering Economics
http://reply.papertrans.cn/2/146/14543/14543-33.png
Submitted on: 27 October 2023.
Revised on: 30 January 2024.
Accepted on: 19 February 2024.
___________________Inzinerine Ekonomika-Engineering Economics
Submitted on: 25 April 2002.
Revised on: 09 August 2002.
Accepted on: 30 September 2002.
___________________Inzinerine Ekonomika-Engineering Economics
Submitted on: 13 September 2022.
Revised on: 16 December 2022.
Accepted on: 07 February 2023.
___________________Inzinerine Ekonomika-Engineering Economics